suitable adj.适当的；相配的
My mother doesn't like me wearing short skirts to church because she doesn’t think they're suitable.我妈妈不喜欢我穿短裙去教堂，因为她认为短裙在这样的场合不合适。
summary n.摘要，概要
The author submitted a summary along with the complete manuscript.提交了完整的原稿以及一份楠要。
sunset n.日落
The fishermen set out at sunset for a night’s fishing.渔民们在日落时出发，进行夜间捕鱼。
serficial adj.肤浅的，表面（上）的
His kindness was all superficial. Janet exposed him for what he really was.他的仁慈都是表面现象。珍妮特揭露了他的真实面目。
superior adj.较高的，上级的；较好的；优秀的
We chose her for the job because she was the superior candidate.我们选择她来从事这份工作，是因为她是候选人中最出色的一位。
supplement n./vt.增补，补充
Mary took a second job to supplement her income.为广增加收入，玛丽找了第二份工作。
supreme adj.（权力、级别或地位）至高的；最重要的
The former emperor of China was the supreme ruler of the country.中国从前的皇帝都是国家的最高统治者
surface n.表面，外表；水面
A thin film of oil was floating on the surface of the sea.海面上漂着薄薄的一层油。
surgery n.外科；手术
The patient underwent eight hours of surgery on his heart.患者经历了八个小时的心脏手术。
surrender v.①投降 ②交出；放弃
They would rather die than surrender.他们宁死不降。
The drunken driversurrender his license.那位酒驾司机被吊销了驾照。