目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。30 percent of reptiles, birds, and fish are currently threatened with extinction.去年，这个集团的纯利润率为30%。The group had a net profit margin of 30% last year.真空包装的火腿片应在食用前30分钟把包装除去。Vacuum-packed ham slice...
Vitamin B assists in red-blood-cell regeneration.维生素B可以促进红细胞再生。This chemical assists in construction of muscle, bone and other tissues.这种化学物质有助于建造肌肉 、 骨骼和其它组织.The congregation assists at divine service.会众参加圣礼....
She told them that her daughter-in-law was manic-depressive.她告诉他们，她的儿媳是狂躁抑郁症患者。With her were her son and daughter-in-law.和她在一起的是她的儿子和儿媳。The old woman nagged ( at ) her daughter - in - law all day long.那老太婆一天到晚地挑剔 儿媳妇 的不是...
to lead a life of indulgence过着放纵的生活You can lead a life of undisturbed peace ever afterwards.你今后能安安静静地过日子,无人登门打扰.I lead a life that I don't like, among boon companions.我过着我不愿过的生活, 来往的尽是酒肉朋友....