substances could翻译

substances could的基本解释

读音: 美: 英:

物质罐：一种用于储存或运输液体或气体的金属或塑料罐。

例句

Normally such substances could be removed by screening, cleaning, washing or flotation.这类物质一般能够借助筛选、净化、洗涤或浮选等方法去除。
Only small amounts of the substances could be used so only tiny cracks could be repaired.只会用到很少量的物质，所以只能修补一些小裂缝。
He explained that residues of unexpected substances could make meat and milk products harmful to humans.他解释，未曾预料物质残留量可以让肉类与乳制品有害于人类。
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