harmless substance翻译

harmless substance的基本解释

读音: 美: 英:

无害物质:指不会对人体或环境造成危害的物质。

例句

One group was given a drug while the other group received a harmless substance instead of medicine without their knowledge.一组服用药物,而另一组在不知情的情况下服用无害的药物。
It was only a placebo, a harmless substance.它仅仅是一组服用安慰剂,一种无害的物质。
But it was only a placebo, a harmless substance.但是那只是一片安慰剂,一种无害的物质。
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