Checkpoint routine
[计] 检查点程序
🧩 词语组成解析
checkpoint
['tʃekpɔint;'tʃekˌpɔint]
n. 检查站，车站的行李房;
🗣️ 情景例句
Good night, Robbie.
晚安，Robbie。
It's not four o'clock.
还没到四点呢。
I live near an airport and passing planes can be heard night and day.
我住在一个机场附近，过往飞机日夜不绝于耳。