Bolk's retardation theory
[医] 博耳克氏发育停滞学说
🧩 词语组成解析
retardation
[[ˌritɑr'deʃən]]
n. 迟延, 妨碍, 阻止\\n[化] 缓聚作用
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
When the storm broke, I was washing dishes.
当暴风雨开始的时候，我在洗碟子。
But this was before Annie Sullivan came to stay.
但是，这都是安妮·莎利文来住下之前的事了。