Loel
abbr. lowest observed effect level 达到最差观察效果的水平
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
Nothing is more precious than time.
世上最宝贵的莫过于光阴。
Ripe fruit falls from the trees and you never have to work.
成熟的水果从树上掉下来，人们根本无需劳动。