Tin fluoride
[机] 氟化亚锡
🧩 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;
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
When are they coming?
他们什么时候来？
Never say die! Up man, and try.
不要气馁，朋友，振作起来，干！
The children wake up very early, and can't wait to open the presents in their stockings.
孩子们醒得很早，迫不及待地打开袜子里的礼物。