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
Now, tell us something about your trip.
好，跟我们说说你的旅行。
I'd like a refund.
我要想退款。
The child learning to see, first distinguishes only two-dimensional shape;
正在学看东西的儿童起初只会分辨二维形态，