back arch的用法和样例:
例句
- When the animals were roused, there was a paroxysmal cough with the back arched.
动物们惊起时,则有发作性咳嗽和拱背。
- Thereafter, slow and expiratory, at the same time arch back carries genu hits the specified number with genu.
尔后,缓慢呼气,同时拱背抬膝以膝触额。
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