Tubalinsufflation
鲁宾氏试验
🗣️ 情景例句
Well, now that you're here,
嗯，既然你回来了，
Learn to creep before you leap.
循序渐进。
And anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
凡是稍稍想过大海海底的人大概都会认为海底是平坦的。