Loel
abbr. lowest observed effect level 达到最差观察效果的水平
🗣️ 情景例句
He took French leave.
他不辞而别。
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，让我来询问一下该组的负责人。
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触