Backbend
n. 卖艺人身体向后仰作弓状的姿势
🗣️ 情景例句
Monday morning.
星期一早晨。
The doctor advised me to get plenty of exercise.
医生劝我要多运动。
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？