by的用法，by是什么意思及用法

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1，by是什么意思及用法

乘，，，通过，用

是通过，乘，用；由于，经过的意思，by+交通工具/+反身代词/+时间点；by也有除以的意思

by是什么意思及用法

2，by怎么用

by 1 [bai]prep.1.[表示空间关系]靠近，在…附近，在…旁边：to stand by the wall站在墙边a house by a river河畔的房子2.在…身边；在…手头：I have got some money by me.我身边有些钱。3.[表示时间关系]在…期间，在(白天、夜晚)的时候：在固定的时间内：不迟于；到…时(为止)，到(某时)之前：在…环境下，以…为伴：adv.1.近在手边；在附近，在近旁2.(搁)在一边，(搁)开；存放，存起，存在一边3.以往，过去adj.1.次要的，副的；从属的，附带的2.位于一边的；不在干道上的；旁边的，偏的

你好！by bus仅代表个人观点，不喜勿喷，谢谢。

by怎么用

3，by 的用法

by是介词，有通过，凭借，用的意思，后面接名词，代词，动名词

by是介词后面要加doing sth.

1．表示位置：“在……旁边，靠近……”，表示此意时，常可与beside换用。如： Some are drawing by（beside）the lake． 2．表示时间：“到……为止，不迟于”，常与过去完成时连用，当by引导的是未来的时间状语时，可用一般将来时。如： How many English songs had you learned by the end of last term? Your son will be all right by supper time． 3．表示旅行、运输等的路线、工具或方法：“由……，经……，乘……通过……”。如： Every day he went there by train． The monkey was hanging from the tree by his tail and laughing． 4．与反身代词oneself连用，表示独自、单独或没有人帮助（全凭本人）。如： I cant leave her by herself． 5．用于被动结构中，意为“由、被”。如： The pupils were given some advice by the pianist． 6．用于某些固定短语中。如： by the way顺便，顺便问一下 by and by不久以后 little by little逐渐地 by hand用手

by 的用法

4，关于by的用法

by the way顺便， by time，day by day 日渐 little by little一点点 one by one 一个接一个 piece by piece 一点一点 side by side肩并肩 step by step一步一步 by hand 手工 by mistake 错误 by plane乘飞机 by post 邮寄 come by bicycle 乘自行车 go by air 空中旅行 go by boat乘坐小船 go by train 乘火车 know by name通过名字知道 send ...by wireless靠无线传送 send ... by electricity靠电力发送 (all) by oneself（全部）由自己的方式 by chance偶然 by means of 决不是的，这意味着 by no means 决不是的 by this means 这意味着 by way of通过的方式 by and large 大体上 close by接近 pass by经过

know by sight会过面介词by可以用来表示方位、时间、手段等,其用法在高考中曾多次出现。下面结合高考试卷和其它一些例句做一下归纳：一、by+地点名词。表方位，意为：“在…旁边”。如：by the lake/river/tree/window/door等。She searched the top of the hill and stopped to rest on a big rock by the side of the path.(NMET90)她搜索了山顶，然后停下来在路边的一块大石头上休息。After supper she would sit down by the fire,sometimes for as long as an hour,thinking of her young and happy days.(2003上海·春）晚饭后，她常坐在火旁，有时长达一个小时地回忆她那青春、快乐的年代。注：有时可表:“从…旁经过”,多与动词go/walk/pass等连用。As we boys were rushing towards the playground,Jim slipped by the table.(NMET92完形）当我们这些男生冲向操场时，吉姆从桌旁溜过。二、by+时间名词。意为：“到…时（已发生某事），此时谓语多用完成时；最晚、不迟于…，在…之前”。如：by now/then/this time/next Friday/the end of/three o`clock等。By the end of last year,another new gymnasium had been completed.(2003上海·春）到去年年底，又有一座新体育馆峻工了。The train leaves at 6:00 pm.So I have to be at the station by 5:40 pm at the latest.(NMET97)火车下午六点开，所以最晚我得五点四十赶到车站。三、by+名词。可用来表方法、方式、手段等。1、by+the+可数的时间、长度、重量等名词。意为：“按…计算，按…买(卖)”。如：by the pound/ton/yard/meter/dozen/bale/day/month等。Cleaning women in big cities usually get paid by the hour.(NMET98)城市里的女清洁工通常按小时获得报酬。In the market,tobacco is sold by the bale,eggs by the dozen and salt by the pound.在市场里，烟叶按捆卖，鸡蛋按打卖，盐按磅卖。2、by+表示时间、长度、重量等总称的不可数名词（名词前不加冠词）。意为：“按…计算，按…买(卖)”。如：by time/volume/length/weight/height/depth/width/area等。As we all know,the freight of the luggage is charged by weight.众所周知，行李的运费是按重量计算的。 3、by+交通工具、交通方式名词（名词前不加冠词，不变复数）。意为：“通过…，由…，乘…”。如by train/rail/tube/taxi/bus/truck/bike/boat/plane;by land/road/sea/water/air等。（on foot)It takes a long time to go there by train;it`s quicker by road.(或by bus)(NMET93)乘火车去那儿要花很长时间，公路比较快。“I usually go there by train”.“Why not try going by boat(或water)for a change?”(NMET92)“我常乘火车去那儿。

by sight: 根据外表印象;凭外貌，一看见就;见过;仅识其面后面的构词一楼整理的很好呢。。。一楼前面的5条参照前面的给出的解释就好，可以清楚的知道每个词组的意思，（一二里面没生词，三里面yard是码，五里面sleeve是袖子的意思）我下面翻译的事第六条的（相互对应的）：by means of/by way of/by the way/one by one/step by step/side by side/shoulder by shoulder/by oneself/by birth/by society/take…by surprise/learn…by heart/what do you mean by …/by my watch通过……；用，以/经过，经由；通过……的方法/顺便/逐一/一步一步/并排/肩并肩/独自/血统上;天生/社会/采取...以出其不意/用心领会/你是什么意思... /依照我的手表……