Subordinator
主从连词(如 while, since, when)
🗣️ 情景例句
I've got a lot of work to do.
我有很多工作要做。
Sounds like a pain in the ass.
听起来很麻烦。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？