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
And if you ever need Dad or me to help you ...
如果你们的确需要我和爸爸的帮助的话 ……
Every time the sheep bleats it loses a mouthful.
羊每叫一次，就少吃一口。
They say it's going to be wet and windy.
据说是要刮风下雨。