在参加该项目之前必须结清余账。You have to pay your outstanding bill before joining the scheme.在拿吃的之前，用热肥皂水把手好好地洗干净。Wash your hands thoroughly with hot soapy water before handling any food.在1918年再版之前，这本书一直非常罕见。It remained an exceptional...
对他这样的有钱人来说, 50美元是个小数字.To a man as rich as he is, $ 50 is chicken feed.可是,现在那些有钱人却愿意出高价买他的画, 有时候一张画就要五百多万美元.But now rich people pay through the nose for one, sometimes more than US $ 5 million....
Companies with fifty-five or fewer employees would be exempted from the requirements.员工在55人及以下的公司将免除这些条件。His age borders on fifty.他年近50。Some of the fifty corporations are household words, like CBS and Westinghouse.五十家公司中...
Agar is complex polysaccharide, extracted from red algae.琼脂是一种从红藻中提取的复杂的多糖.The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium.有毒菌株具有多糖荚膜它在琼脂培养基上形成光滑的菌落.Various overlay mediums , s...