Townsend criterion
[电] Townsend准则
🧩 词语组成解析
n. 汤森（男子名）
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
They could imagine who was at the door.
他们无法想象门那边有谁在。
It took the police nearly an hour to get the traffic on the move again.
警察花了将近一个小时才使车辆又开起来。