单词：drop funnel
drop funnel的用法和样例：
例句
- Separate the benzene layer with a separatory funnel.用分液漏斗分出苯层。
单词：drop funnel 相关文章
[00:03.73]Michael? Michael! Ill be waiting for you in the lobby, alright? [00:07.48] [00:12.05]I dont know, Sean. I just have a bad feeling about this one. [00:15.65] [00:15.98]This woman is tough, tough... hold on. [00:18.65] [00:22.05]The client wa
听电影学英语-弱点
at the drop of a hat to talk through one's hat 今天我们要给大家介绍两个和
美国习惯用语
Congressional investigators say three previously undisclosed defects in a critical safety device may have contributed to the massive oil spill in the Gulf of Mexico. The rig was owned by Transocean and leased by energy company BP. NPR's Peter Overby
2010年NPR美国国家公共电台5月
The international aid organization Oxfam says thousands of Somali families could be cut off from much needed aid if a U.S. bank goes through with plans to discontinue its money-wiring services at the end of this month. Last week, a small bank in the
英语新闻
Every school day, about 7,000 students drop out of school(退学) in the United Stars. That's a total of 1.2 million students each year and only about 70 percent of entering high school freshman graduate each year. The problem is especially serious i
英语新闻