sell/seller/sold
sell/sel/vt.&vi.(sold, sold) 1.出售，卖：Will you sell me your bike?你愿把自行车卖给我吗? Every cock sells for ten yuan.每只公鸡售价10元。2.用于习语或短语动词sell off出卖部分或···
semester
semester/siˈmestə/n.［c］学期：this semester这学期；at the beginning of the semester在开学时A student will probably attend four or five courses during each semester.每个学生一学期···
semiconductor
semiconductor/ˈsemikənˈdʌktə/n.［c］半导体: a semiconductor一种半导体；semiconductor materials半导体材料；semiconductor laser半导体激光器
seminar
seminar/ˈseminɑ:/n.［c］(大学的)研究班，研讨会：a seminar course (大学)讨论式的课程；a painting seminar绘画研讨课；a seminar of political economy政治经济学研讨课
senate/senator
senate/ˈsenit/n.［c］参议院：The Congress of the United States is made up of the Senate and the House of Representatives.美国国会由参众两院组成。senator/ˈsenətə/n.［c］参议员：···
send
send/send/vt.(sent, sent) 1. (派人)送；寄: to send money (a letter)寄钱(信)They sent him the evening paper the next morning. (= …sent the evening paper to him.)第二天早上他们派人把···
senior/seniority
senior/ˈsi:njə/adj.1.资格老的，地位较高的：senior government officials资深的政府官员；a senior student (大学)三年级生；a senior officer高级军官2.年长的(to)：He is several years s···
sensation/sensational
sensation/senˈseiʃən/n.1.［u］&［c］(感官的)感觉能力：A dead man is without sensation.死人没有感觉能力。2.［c］感觉，知觉(sing.)：have a sensation of dizziness (hunger)感到眩···
sense/senseless/sensible
sense/sens/ I.n.1.［c］感官，感觉，观念：the sense of sight (hearing, smell, taste, touch)视(听，嗅，味，触)觉；a sense of warmth (hunger)温暖(饥饿)感；a sense of humour (shame)幽默···
sensitive/sensitivity
sensitive/ˈsensitiv/adj.1.敏感的(to,abou)：sensitive to…对…敏感，对…容易感受：The film is sensitive to light.胶片能感光。［考句］Some plants are so sensitive to pollution that ···
