In niobium alloy containing carbon occurs decarburization in case of contamination by oxygen at higher temperature.含碳的铌合金,若在高温下受氧沾污,易产生脱碳现象.Decarburization shall be determined by microscopic examination as described in B...
斯科特摔倒了,扭伤了踝骨.Scott fell over and sprained his ankle.他跌倒时扭伤了踝骨.He sprained his ankle when he fell.我当时正在欣赏乡村的宁静,突然摔倒扭伤了踝骨.I was enjoying the peace of the countryside when I fell and twisted my ankle....
The service covers contraceptive advice and health checks, and is available free.服务项目包括避孕建议和健康检查，并且免费提供。It was at that time she started taking the contraceptive pill.她就是从那个时候开始服用避孕药的。There are two types of contraceptive ...
Each family farms individually and reaps the benefit of its labor.各家经营各自的农场，收获各自的劳动成果。In 1986 more than three million were receiving unemployment benefit.1986年，有300多万人领取失业救济金。At first I gave him the benefit of the doubt....
任由鹿糟蹋会很容易把庄稼都毁了。Crops can be all too easily decimated by unchecked depredations by deer.猪排会腐烂，给糟蹋掉。The chops will fester and go to waste.你如果这么糟蹋你的外套, 它很快就不能穿了.If you treat your coat so roughly, it will be worn out soon....