Tmah
[医][=tetramethylammonium hydroxide]羟化四甲铵
🗣️ 情景例句
Hi, there!
你好！
A valiant man's look is more than a coward's sword.
勇士的神色胜过懦夫的刀剑。
OK. Let me help you. There! OK?
我来帮你，瞧，行了吧？