Cancellation effect
[计] 相消效应
🧩 词语组成解析
cancellation
[kænsə'leiʃən]
n. 取消;<数>（相）约;被取消的事物;作废;
🗣️ 情景例句
My boss and some friends at the office.
我老板和办公室的同事。
To facilitate carrying, rope or metal handles are indispensable and should be fixed to the boxes.
为便于搬运，绳子或铁把手不可缺少，并将其固定在箱子上。
They must keep their hands behind their backs.
他们得一直将手放在背后。