记忆方法
双解例句
小知识
Maintain means to keep the same––keep steady, keep up, or keep going. Sure, you can ride your bike super fast on a flat surface, but it can be hard to maintain that speed, or keep the same speed, going up a hill.
When you maintain a strict study schedule, you stick to it. When you maintain your car in good working order, you take good care of it. If you maintain records of your business activity, it means you make notes of your sales and expenses. If a teacher maintains order in the classroom, she never lets disruptions get out of hand. If you maintain your family, you keep them in food, shelter and clothing. If you maintain that eating animals is cruel, you keep that position.
实用短语
常用短语
单词用法
词根词缀
词根: tain
1. =hold,表示”拿住,握住,支撑”; 2. 挽留
adj.
attainable 可到达的,可得到的attain[v.达到;获得]+able可以……的→adj.可到达的,可得到的
pertinent 恰当的;有关的pertain[[v.属于,关于]]男→adj.恰当的;有关的
n.
container 容器;集装箱contain包含,容纳+er表名词→n.容器;集装箱
entertainment 款待, 娱乐, 娱乐表演entertain娱乐,招待+ment表名词→n.款待, 娱乐, 娱乐表演
retention 保留,保持,保持力,记忆力retain[[v.适合,保持,保留]]→n.保留,保持,保持力,记忆力
attainment 完成,成就attain[v.达到;获得]+ment表名词→n.完成,成就
v.
attain 达到;获得at加强动作+tain拿住→获得
contain 包含,容纳;容忍,抑制;可被……除尽con全部+tain拿住,握住,支撑→全部拿住→包含,容纳
detain 耽搁;扣押,拘留de加强动作+tain拿住,握住,支撑→拿住,拿下→拘留
entertain 娱乐, 招待, 接受, 怀抱enter进入,走进+tain挽留→使……挽留→休息,娱乐
maintain 维修,保养,维持,供养,坚持,主张,支持main=man+tain拿住,握住,支撑→用手拿住→坚持
obtain 获得,得到ob加强动作+tain拿住,握住,支撑→拿到,获得
pertain 属于,关于per始终+tain拿住,握住,支撑→始终拿着→属于,关于
retain 适合,保持,保留re回来+tain拿住,握住,支撑→拿回来→保留
sustain 支撑;承受sus下面+tain握住→在下面握住→支撑
同义词辨析
这些动词均含有”断言,声称”之意。