您要查找的是不是：
- formalin ether concentration method 甲醛乙醚浓集法
- We were invited to a formal luncheon. 我们被邀参加一次正式的午宴。
- A whiff of ether will put you out in a few seconds. 一剂乙醚几秒钟后就会使你失去知觉。
- He cast his last remark in more formal wording. 他用更正式的措词表达了最后一句话。
- Don't you be so fucking formal with me. 别你他妈的对我这么一本正经了。
- The letter is written in formal style. 这封信是用正式文体写的。
- Modern life trends towards less formal customs. 现代生活倾向于较少拘泥于客套习俗。
- The job does not require any formal training. 做这种工作不需要任何正规训练。
- I'm composing a formal reply to the letter. 我正写一封郑重其事的回信。
- She is not used to the formal mode of address. 她不习惯于这种正式称呼。
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- The letter was formal in its wording. 此信措辞正式。
- Official documents are written in formal register. 官方文件是以正式语体写成的。
- They maintained only formal unity among themselves. 他们只在表面上保持一致。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- There is a concentration of people in big cities. 大城市人口集中。
- Formal negotiations are under way. 正式谈判正在进行。
- Today's news goes into the ether and is soon forgotten. 今天的新闻广播听後不久即置於脑後了。
- Loosen up, this isn't a formal occasion. 随便一些,这不是正式场合。
- Formal, refined, and restrained in style. 拘谨的，精炼的风格正式、精致和克制的
