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
What do you mean?
你是什么意思？
They say everything.
他们什么事都说。
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？