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
I have a ticket, I know.
我知道我有车票。
You can never tell about this sort of thing.
这种事谁也说不准。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。