Lead-acetate test
[机] 醋酸铅试验
🧩 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. 醋酸盐\\n[化] 醋酸盐(或酯、根)
🗣️ 情景例句
they cut patches
剪下布块，
My brother is twice as tall as your sister.
我弟弟比你妹妹高一倍。
It's green.
是绿色的。