Toolability
修补性
🗣️ 情景例句
What do you do in your spare time?
你在业余时间做什么？
Feel free to bring your brother if he would like to come.
如果喜欢的话，你不妨带令兄一起来。
local epidemics of this disease could be created.
就可以使这种疾病在一个地区蔓延起来。