Lead fluosilicate
[机] 六氟矽酸铅
🧩 词语组成解析
lead
[lid]
vt. 领导;引导;指挥;
vi. 领导;导致;用水砣测深;
n. 铅;领导;榜样;枪弹;
adj. 领头的;最重要的;领先的;
[机] 氟硅酸盐
🗣️ 情景例句
Well, forty-seven, to be exact.
准确点说， 四十七年。
Life without a friend is death without a witness.
在世无朋友，死后无证人。
A gifted American psychologist has said,'Worry is a spasm of the emotion;
烦恼是感情的发作，