detectable amount造句

例句与造句

1. Grains containing detectable amounts of aflatoxin should therefore not be used for food or feed .
   因此，凡测出含有阿夫罗毒素的谷物都不能做粮食或饲料。
2. With rare exceptions such as a pure quartz sandstone, every rock contains detectable amounts of abundant metals .
   除了象纯石英砂岩等少数例外，每种岩石都含有若干可检出的富有金属。
3. It's difficult to find detectable amount in a sentence. 用detectable amount造句挺难的