Lead tolerance
[建] 容许含铅量, 四乙铅容许含量
🧩 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;
🗣️ 情景例句
Thanks, Richard.
谢谢 ，Richard。
It is easier to descend than to ascend.
下降容易上升难。
Oh, by the way, there was a telephone call for you.
啊，顺便说一句，有你一个电话。