Construction(al) material(s)
[化] 結構材料
??? 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份證。
It is a foolish sheep that makes the wolf his confessor.
蠢羊才向狼懺悔。
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋兩岸的企業都在問，當一套測試可以解決問題時，為什么需要兩套呢？