单词：period of oscillation (vibration period)
单词：period of oscillation (vibration period) 相关文章
[00:04.35]第十二部分 妇女病 [00:08.70]1.What's the matter with you? [00:17.48]你有什么不舒服? [00:26.25]For the last two or three weeks [00:28.98]在过去的两三周内, [00:31.71]I've been getting real bad pains in one of my breasts. [00:57.34]我的一个乳
医疗服务英语
讲解文本： period 时期，大姨妈 She is on her period. 她大姨妈来了。 疯狂练习吧！
愉悦口语
Grammar Girl here. This week I have two topics for you: The number of spaces after a period at the end of a sentence, and whether you should use who or that to refer to people (and pets). Now here's our first listener question. His friends believe it
英语语法 Grammar Girl
很多打算赴国外留学的同学现在已经在联系租房的事了，在国外租房的时候一定要签订正式的租约(lease)或住房合同(housing contract)，这有时候也被称为租房协议(rental agreement)。 租房合同里大家要
实用英语
BEIJING, Feb. 16 (Xinhua) -- The Ministry of Transport (MOT) said Thursday that about 2.85 billion passenger-trips by roads were made during the 40-day Spring Festival travel rush this year, up 9.6 percent from the corresponding period last year. A t
英语新闻
今天我们要学的词是 grace period. Grace period 宽限期。日本通过立法，禁止持有儿童色情的图片和视频。The new law allows a grace period of one year for owners of such materials to get rid of them. 新法给现已持有这
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