Increment function
[计] 增量函数
🧩 词语组成解析
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
Do you like skiing?
你喜欢滑雪？
Duck your head as you go through the door there.
经过那儿的门时，请将头放低。