Unfla
[日]恩弗拉(一種阻燃聚酯纖維)
??? 情景例句
It was a pretty dumb thing to do.
做那件事真傻。
Thank you very much for giving us your valuable time.
我們占用了你寶貴的時(shí)間，非常感謝。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已經(jīng)設(shè)計(jì)出了一些儀器，它按照一定的安放方式就可測(cè)繪出這三種運(yùn)動(dòng)的曲線圖。