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
Don't ask why; just do as you are told.
别问为什么， 按要求去做就行了。
Money begets (or breeds or gets) money.
钱产生钱。
He was smiling hopefully.
他满怀希望地微笑着。