Microdose
[医] 微[小剂]量
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
Hello, Mr. Ball. Do come in.
你好，鲍尔先生。请进来。