n.推进器,螺旋浆:There is something wrong with the airplane propeller.飞机的螺旋桨有点毛病。...[继续阅读]

    v.屈服,服从:The man submitted to arrest by police.这个人向警方投降而被捕。We should submit ourselves to discipline.我们应该遵守纪律。v.呈送,提交:Some students have not yet submitted their essays to their tutors.有些学生还没有把他们的论文交给导师。The hea...[继续阅读]

    n. 自助食堂:In the cafeteria we serve ourselves. 在自助餐馆我们自己备餐。...[继续阅读]

    n. 指挥员,司令:The commander praised the soldier for his bravery.司令员表扬了那位士兵的勇敢。...[继续阅读]

    a.沙的,多沙的:In sandy places you can often see heaps of sand forming little hills.在多沙的地区,你常常可以看到形成小山般的一堆堆沙土。【自测】1.Because the soil is so____,few plants will grow there.A.fancy B.rusty C.windy D.sandy [D]2.It is quite pleasant to lie on t...[继续阅读]

    a.每,每个:The Olympic Games are held every four years. 奥林匹克运动会每四年举行一次。Every sin brings its punishment with it. 恶有恶报。Every boy and girl likes ice cream. 每个男孩和女孩都喜欢冰激凌。every now and then时常,常常:Every now and then we go to Buff...[继续阅读]

    n.一千:The flood carried off thousands of people.洪水夺走了数千人的生命。a.一千:His parents mailed him two thousand dollars last month.他父母上个月给他寄来了2000美元。...[继续阅读]

    n.鸽子:The young man bought a racing pigeon and a carrier pigeon yesterday.那年轻人昨天买了一只赛鸽和一只信鸽。...[继续阅读]

    n.安全,平安:He was anxious about the safety of his children.他担心孩子们的安全。We are now in safety.我们现在安全了。...[继续阅读]

    v.赚得,赢得,获得:He earns fifty dollars a day.他每天挣50美元。Your untiring efforts will earn you a good reputation.你的不懈努力会为你赢得好声誉。earn one’s living自行谋生,自立:He began to earn his living early.他很早便开始自行谋生。He earned his living ...[继续阅读]