Tin fluoride
[機(jī)] 氟化亞錫
?? 詞語組成解析
tin
[tin]
n. 錫;罐頭盒;馬口鐵;鍍錫薄鋼板;
adj. 錫制的;假冒的;無價(jià)值的;蹩腳的;
vt. 鍍錫，包錫;給…包馬口鐵;包白鐵;
fluoride
[['flu?raid]]
n. 氟化物\\n[化] 氟化物
??? 情景例句
But it's not going to be easy.
不過這事可不容易。
I ate cakes for dinner yesterday.
我昨天晚飯吃的是蛋糕。
but as the oceans have been overfished, fish has become more and more expensive.
但是隨著海洋里的濫捕濫撈，魚已經(jīng)變得越來越昂貴。