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
I know.
我知道。
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
These days, advertisers not only offer free samples, but free cars, free houses, and free trips round the world as well.
目前，做广告的人不仅提供免费样品，而且还提供免费汽车，免费住房，免费周游世界。