Townsend cascade
[医] 汤生级联放大
🧩 词语组成解析
n. 汤森（男子名）
🗣️ 情景例句
Pay more attention to the voice of youth.
多留意年轻人的意见。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
They play it like this, six students stand in a row in front of the class.
6个学生在全班前面站成一排。