A. before中文是什么意思
conj.在 ... 以前
pref.在 ... 以前；在..前面
adv.以前；以往；之前
B. before什么意思
before
英[bɪˈfɔ:(r)]
美[bɪˈfɔr,-ˈfor]
prep. 在…之前; 先于，优于; 当着…的面; 与其…;
conj. 在…之前; 在…以前; 比…早些; 与其…;
adv. 先前，从前; 在前，在前方;
C. 英语单词before是什么意思
before
在....之前
例子：
You have to be back before 8.
8点之前，你必须回来。
Don't sit bofore me .
不要坐在我前面。
D. before是什么意思
Earlier in time:
在此之前：早些时候：
They called me the day before.
前一天他们给我打了电话
In front; ahead.
在…前面；在前头
prep.Abbr. bef.（介词）缩写 bef.
Previous to in time; earlier than.
…之前：在…时间之前；早于…
In front of.
在…前面
In store for; awaiting:
即将发生的；等待着的：
A young person's whole life lies before him.
年轻人的生命展现在他前面
Into or in the presence of:
进入，在…面前：
She asked that the visitor be brought before her.
她要求把访问者带到她的面前来
Under the consideration or jurisdiction of:
在考虑中，在审理中：
The case is now before the court.
这个案子现在已交庭审理
In a position superior to:
地位高于：
The prince is before his brother in the line of succession.
在王位继承权上，这个王子优于他兄弟
conj.（连接词）
In advance of the time when:
在…时间之前：
See me before you leave.
在你离开之前来见我
Rather than; sooner than:
宁可…也不愿；与其…宁可：
I will die before I will betray my country.
我宁可死也不会背叛我的国家
E. before是什么意思
before
英 [bɪˈfɔ:(r)] 美 [bɪˈfɔr,-ˈfor]
prep.
在…之前;先于，优于;当着…的面;与其…
conj.
在…之前;在…以前;比…早些;与其…
adv.
先前，从前;在前，在前方
Annie was born a few weeks before Christmas
安妮出生在圣诞节前几周。
《柯林斯高阶英汉双解学习词典》
2
He spent his early life in Sri Lanka before moving to England
在移居英格兰之前，他早年是在斯里兰卡度过的。
《柯林斯高阶英汉双解学习词典》
3
The war had ended only a month or so before.
战争大约一个月前才刚刚结束。
《柯林斯高阶英汉双解学习词典》
4
Before Gallacher could catch up with the ball, Nadlovu had beaten him to it.
加拉赫还没来得及追上球，纳德洛武就已经抢先一步触到球了。
《柯林斯高阶英汉双解学习词典》
5
It was some time before the door opened in response to his ring.
他按完门铃后过了一会儿门才打开。
F. before什么意思嘛
before[英][biˈfɔ:] [美][bɪˈfɔr,-ˈfor]
简明释义prep.在……之前；先于，优于；当着……的面；与其……conj.在……之前；在……以前；比……早些；与其……adv.先前，从前；在前，在前方以下结果由 金山词霸 提供
柯林斯高阶英汉词典 同反义词In addition to the uses shown below, before is used in the phrasal verbs ‘go before’ and ‘lay before’.除下列用法外，before 还可用于 go before 和 lay before 等短语动词中。1.PREP（时间上）在…之前，早于If something happens before a particular date, time, or event, it happens earlier than that date, time, or event.→see usage note at:agoAnnie was born a few weeks before Christmas...安妮出生在圣诞节前几周。Before World War II, women were not recruited as intelligence officers...在第二次世界大战之前，女性不能当情报人员。My husband rarely comes to bed before 2 or 3am.我丈夫很少在凌晨两三点之前睡觉。Before is also a conjunction.Stock prices climbed close to the peak they'd registered before the stock market crashed.股价几乎攀升到了股市崩盘前的历史最高位。2.PREP在（做某事）之前If you do one thing before doing something else, you do it earlier than the other thing. He spent his early life in Sri Lanka before moving to England...在移居英格兰之前，他早年是在斯里兰卡度过的。Before leaving, he went into his office to fill in the daily time sheet.离开前，他到自己的办公室填写了日常考勤表。
G. html5里边的：before是什么意思
before本身的意思是：在……之前
我不知道你说的是哪个标签属性？
H. 在chrome上看源代码发现如“：：before”是什么意思
:before 和 :after 都差不多的，就是可以在某个标签的前面或者后面添加一个虚拟元素,需结合content使用，可以像设置普通标签一样设置该元素的css样式 。