甜胶树 、 酸胶树和一些澳大利亚的尤加利树都是产树胶的树.The sweet gum, sour gum, and some Australian eucalyptus trees are gum trees.树和一些澳大利亚的尤加利树都是产树胶的树.The sweet gum gum , and some Australian eucalyptus trees are gum trees.我提醒他们问我关于我对树胶有无过敏性的反映.I...
The government voted to punish corruption in sport with up to four years in jail...政府经表决后决定对体育界的舞弊行为最高将处以4年监禁。She had to spend nearly four months away from him that summer, instead of the usual two...那个夏天她被迫离开他将近四个月而不是通常...
他以压倒性多数赢得上月的总统选举。He won last month's presidential election by a landslide.他参加过多次比赛，赢得了数枚金牌。He entered for many competitions, winning several gold medals.他赢了，但是赢得十分勉强。He won, but only by the skin of his teeth....
She travels in cyberspace by sending messages to friends around the world.她利用电子空间给世界各地的朋友们发送信件.Effective online marketers do not merely transfer hard - copy ads to cyberspace.讲求实效的网络营销者们绝不是简单地把平面广告抄送到网页上.The territorial ...
内酯是制备其他有机试剂的重要化学品.Lactones are major chemicals used in the preparation of other organic reagents.大环内酯类抗生素是治疗mp感染的有效抗生素.Macrolides are the effective antibiotics in the treatment of MP infection.结论95%乙醇可作为雷公藤内酯醇的洗脱剂.Conclu...