Cocaine addicts get specialized support from knowledgeable staff.对可卡因上瘾的人从那些懂相关知识的工作人员那里得到了专业化的帮助。He specialized in treatment of cancer patients.他是治疗癌症病人的专家。I specialized in the restoration of old houses.我专门从事旧房翻修。...
他停下脚步试着让眼睛适应微弱的星光。He stopped to try to adjust his vision to the faint starlight.天空一片深蓝色，其间星光闪烁。The sky was deep blue and starry.我们借着星光走回家。We walked home by starlight....
他在为那位著名影星充当替角.He is understudying the famous film star.主角演员病了, 让他的替角出场.The leading player is ill. Let his understudy to appear on the scene.主角演员患病,由替角代替演出.The understudy was substituted when the leading actor fell ill....