强效可卡因是瘾君子们吸食的众多毒品之一。Crack is part of a battery of drugs used by addicts.那个自己坦白的瘾君子在13个月前被逮捕。The self-confessed drug addict was arrested 13 months ago.他只有24岁，却是个瘾君子。He's only 24 years old and a drug addict....
We don't like strangers who poke their noses into our affairs.我们不喜欢陌生人干预我们的事务。Social phobics quake at the thought of meeting strangers.患有社交恐惧症的人一想到要见陌生人就发抖。People did not teach their children to be wary of strangers...
I was a very quiet, studious little girl.我那时是个非常安静、勤奋好学的小女孩。She was a studious child, happiest when reading.她是个勤奋好学的孩子, 读书最使她感到快乐.a studious young man勤奋的小伙子He always pays studious attention to detail.他总是认真注意细节....
Oral contraceptives are readily available.口服避孕药容易得到.Some barrier contraceptives also help to protect against sexually transmitted infections.有些屏障避孕还有助于预防性传播疾病.Continuous Oral Contraceptives: Are Bleeding Patterns Depende...