Lead fluoride
[化] 氟化铅
🧩 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;
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
Pete wrote us and told us.
Pete写信告诉我们的。
We can't get good pictures on our TV set.
我们的电视机图象有问题。
A gifted American psychologist has said,'Worry is a spasm of the emotion;
烦恼是感情的发作，