Lsts
abbr. large-scale testing system 大型测试系统
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
I do not know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。
It's no use complaining.
发牢骚没什么用。