什么是substance

substance

英 [?s?bst?ns] 美 [?s?bst?ns]

n.

物质，材料;实质，内容;[神]灵;（织品的）质地

复数： substances

双语例句

There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances.

根本没有法规来确保香烟不含有毒物质。