Underexercise
vi.训练(或锻炼、练习)太少
🗣️ 情景例句
We want to leave on May 1st and return on May 8th.
我想五月一日走，五月八日回来。
I couldn't believe my ears.
我真的不敢相信。
This model's less expensive than that one.
这种型号比那种要便宜些。