sub-pppb
基本解释
- n.亚毫微量
- adj.低于10-9的; 十亿分之一以下的
英汉例句
- I had to sub for the referee, who was sick.
裁判病了,我得代为裁判。 - The sub can outrun any destroyer.
这艘潜水艇比任何驱逐舰航行得都快。 - I have to sub on her for the new car I want to buy.
要买那辆新车,我得向她借点儿钱。 - Clive Walker came on as a sub and starred.
克里夫-沃克替补上场,大放异彩。 - TRANSHIPMENT SUB ARTICLE 23D IS NOT APPLICABLE.
23D条款下面的转运不适合。