单词：pn layer
单词：pn layer 相关文章
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
听一分钟英文-O
Janpnese weddings In the past, most Japanese participated in various Shintoist or Buddhist ceremonies, weddings funerals Buddhist. In recent times, the trend has been towards Christian and non-denomin
七田真超右脑英语学习法
There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
英语课程学习计划和讲义
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
纯正英语一分钟
一些听众朋友反应本期习题很难，希望能得到详细的讲解，那么今天就对第12课的习题讲解。 习题一：Please complete the following sentences. 1 我希望能与他促膝相谈，可是当我到他家时找不到他，我
英语早间课堂
【课堂热身】 首先，let's have a review。在第十二课第一讲中我们讲到了let one's face fall 是某人自己使自己失望。 【今日课题详解】 那么现在我想说某人使得别人失望令别人大失所望，还是要用
英语早间课堂