发动机发出了一种新的声音, 仿佛一阵阵吃力的哮喘.A new noise came from the engines a straining, gasping sound.我离那头麋鹿非常近，能听见它吃力的呼吸声。I was close enough to the elk to hear its labored breathing.清除积雪是很吃力的工作.It's hard work shifting snow....
He managed to cling on to a ledge 40ft down the rock face...他设法紧紧地攀在了距岩壁顶端 40 英尺的岩礁上。She had to cling onto the door handle until the pain passed...她只好紧紧握住门把手，直到不疼了才松开。Wet clothes cling to the body.湿衣服贴身.She had to cling ...
Deamination of threonine by the enzyme threonine deaminase produces α - ketobutyrate.苏氨酸被苏氨酸脱氨酶脱氨产生α - 酮丁酸.Objective To study the continuous monitoring method of adenosine deaminase ( ADA ) and its clinical application.目...
我浑身冒汗，心脏狂跳，呼吸困难。I'm sweating, my heart is pounding. I can't breathe.我的心在狂跳不已，但是我仍面不改色。My heart was thumping wildly but I didn't let my face show any emotion.蓦地里,她大为震动,心也狂跳起来.Then suddenly she had a shock t...