Lead protoxide
[化] 一氧化铅; 密陀僧
🧩 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]低氧化物,初氧化物(亦作protoxid)
🗣️ 情景例句
Help! Help! I can't swim!
救命！ 救命！ 我不会游泳
No, he doesn't.
不，他没有。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。