Gem-dinitro compound
[化] 偕二硝基化合物
🧩 词语组成解析
gem
[dʒem]
n. 宝石，珍宝;精华，佳作;受人重视者;[印]四点活字;
v. 点缀;用宝石装饰;饰以宝石;
adj. 最佳品质的;
地乐酚
🗣️ 情景例句
Yes. Have you got any seats left on the 10th at 7:30 a.m. to HongKong?
是的。你们还有10号早上7点半去香港的机票吗？
A woman's work is never at an end.
妇女的活计做不完。
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！