单词:vibration modal analysis
单词:vibration modal analysis 相关文章
For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxiliary verbs that express a speaker's attitude and the strength of that attitude
We often need to tell others what someone else said. There are two ways to do this. One is to say the same words and use quotation marks. That is direct speech. The other method is to summarize, or tell about what someone said. This is called reporte
Imagine that you are planning to travel to another country. There is a lot that you need to do before you leave. Here are some things that might need to be done: Your passport has to be renewed. Your hair still needs to be cut. Your shoes should be r
If you asked even the most knowledgeable Americans, they probably could not tell you more than a few meanings for the word so. It is an everyday word that most people use without even realizing its complexity. But this mysterious little word can act
Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d
Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu
本单元是关于讨论棘手问题的会议的对话 Boss: Come in. Ah, Tim, how can I help? Tim: Erm, well, I think you should read this letter from the watch repairers. Boss: Oh yes, let me see it? hmm, well, I imagine someone in their office must have made a mis
This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this
In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel
English can be a complex language to master. It has a lot of rules and breaks many of them. No matter your level of English, forming questions can be one of the more vexing parts of mastering the language. The good news is that we are here today to m
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid
Everyday Grammar: You Had Better Learn Modals! 英语日常语法:情态动词 For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxi
Everyday Grammar: Mastering Reported Speech We often need to tell others what someone else said . There are two ways to do this. One is to say the same words and use quotation marks . That is direct speech . The other method is to summarize , or tell
You Really Should Learn Modals! For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxiliary verbs that express a speaker's attitude a
They Say That Reported Speech is Easy We often need to tell others what someone else said. There are two ways to do this. One is to say the same words and use quotation marks. That is direct speech. The other method is to summarize, or tell about wha
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, meet the modals! RS: Modals are words like can, could, will, would, may, might, and must. The list goes on. And they can be tricky to learn. AA: We get more of an introduction fro
Broadcast on Coast to Coast: June 20, 2002 Re-broadcast on VOA News Now: June 23, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, meet the modals! RS: Modals are words like can, could, will, would, may, might, and must. Th
1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,
Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w
Modal verbs are helping verbs. We use them with main verbs to help us express ability, possibility, necessity and permission. Todays question is about a modal that is commonly confused with an expression. Heres the question, which comes from a listen