Scba
n. 正压式呼吸器（石油、煤炭、消防）; [医][=self-contained breathing apparatus]自我控制呼吸仪，配套呼吸装置
🗣️ 情景例句
You're quite the artist!
你还真像个艺术家。
For one thing,I've got to drop by the bank to get some money.
首先，我得去银行取一些钱。
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。