If canceller
[电] 中频消除器
🧩 词语组成解析
if
[if]
conj. 如果，倘若;即使;〈口〉是否;假设;
n. 条件，设想;
n. 消除器, 补偿设备
🗣️ 情景例句
A generation raised on junk food could turn out mentally vulnerable.
在零食中长大的一代人，注定精神脆弱。
I told him to stay overnight.
我告诉他留下来住一夜。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。