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
Philip had to go back to the hospital. Philip
必须要回医院。
I'm afraid you will miss your train.
我怕你会错过火车。
It took him some time to connect the long rubber pipe to the air supply pipe that ran round the port, but at last it was done and as a result work was able to progress much faster.
他花了不少时间把长长的橡胶管接到铺设在码头周围的空气供应管上，最后他终于把它们连接起来，工作因而进展得更快。