Tin protosulfide
[化] 一硫化锡
🧩 词语组成解析
tin
[tin]
n. 锡;罐头盒;马口铁;镀锡薄钢板;
adj. 锡制的;假冒的;无价值的;蹩脚的;
vt. 镀锡，包锡;给…包马口铁;包白铁;
🗣️ 情景例句
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
To make enemies, talk; to make friends, listen.
要成仇敌，多讲；要成朋友，多听。
Why don't you come a little earlier? About a quarter to.OK?
45分左右来，好吗？