文档介绍：英语3000常用词用法详解词典(上)
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
英语3000常用词用法详解词典(上)
A
a [eI,E] / an[An,En] art. (个、张、件、本、块、首等)：I have a sister and two brothers. 我有一个妹妹和两个哥哥。2.(一类事物中的)任何一个，任何：A bicycle has two wheels. 自行车有两只轮子。3.(用于短语中表示价格、比率、速度等)每：115 miles an hour 每小时115英里 / Meetings are held four times a year. 每年举行四次会议。4.(用于指某人的职业)一位，一名：I want to be an actor. 我想做一名演员。，相当于one：a thousand dollars 1000美元 ，如：■a little 少量，少许：I’d like a little time to think about it please. 请给我一点时间将它考虑一下。a set of 一套，一副：We have a set of new glasses. 我们有一套新玻璃杯。a little bit 一点儿，少许：It will warm up a little on 。a few (表示肯定)有些，几个：A few people were killed in the fire, but most were saved. 在那场火灾中，有几个人被烧死，但大部分人都得救了。a lot 很，非常，常常：He smokes a lot. 他抽烟很多。a lot of 大量，许多：She loves having a lot of kids round her. 她喜欢身边有许多小孩。a piece of 一片，一块：Please cut me a piece of cake. 请给我切一块蛋糕。
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of d