Trinitrides
[化] 叠氮化合物
🗣️ 情景例句
Safety first.
安全第一。
I'm so grateful for this tiny gift, darling.
亲爱的，非常感谢你这份小礼物。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。