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

同根派生

• sub-pppb相关词

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。

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