Boundstone
黏结灰岩
🗣️ 情景例句
If we land a man on the moon, I think someone could surely invent a toaster that works properly.
如果我们能让人类登陆月球，我想一定会有人能发明在月球上还能正常运行的烤面包机。
Why isn't this ticket any good here?
为什么这里不可以使用月票？
I have to raise some issues which may be embarrassing.
我必须提出一些比较尴尬的问题。