用“swallow hard”造句大全,swallow hard造句
I've heard that if you open your mouth and swallow hard, your ears won't pop.
Some Asian countries are squeamish about the effect of non-traditional security on their sovereignty. They should swallow hard.
I've heard that if you open your mouth and swallow hard, your ears won't pop.
Some Asian countries are squeamish about the effect of non-traditional security on their sovereignty. They should swallow hard.