Lead sesquioxide
[化] 三氧化二铅
🧩 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;
n. [化]倍半氧化物,三氧二某化合物
🗣️ 情景例句
I major in English and minor in French.
我主修英语，副修法语。
The athletes competed for the honor of their country.
选手们为了国家的荣誉而互相竞赛。
First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改进。而且机子较大，尽管价格贵些。