Lead protoxide
[化] 一氧化鉛; 密陀僧
?? 詞語組成解析
lead
[lid]
vt. 領導;引導;指揮;
vi. 領導;導致;用水砣測深;
n. 鉛;領導;榜樣;槍彈;
adj. 領頭的;最重要的;領先的;
n. [化]低氧化物,初氧化物(亦作protoxid)
??? 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
It's fine once you get used to it.
習慣就好！
how many heath fires they cause, how much litter they leave, in short,
即他們引起了多少場野火，留下了多少垃圾。總之，