Lead tetroxide
[机] 四氧化三铅
🧩 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. 四氧化物\\n[化] 四氧化物
🗣️ 情景例句
are going to have a wonderful, romantic weekend!
将度过一个美妙浪漫的周末！
Well begun is half done.
良好开端，功成一半。
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我们中国从前未发明出热水瓶时的做法。”魏华说。