✅ 同义词
🗣️ 情景例句
Oh, sure I do. Hi, Abe.
噢，我当然记得。嗨， Abe。
Art is long, but life is short.
人生有限，学问无涯。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。