澳柯玛空调出现e2:before的意思

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before
KK: []
DJ: []
prep.
1. 在...以前
Only two days remained before the examination.
考前只剩下两天了。
2. (指顺序、重要性等)在...之前,先于
Your name comes before mine.
你的名字在我之前。
Pride comes before a fall.
骄必败。
3. 由...考虑中
We will put the matter before the committee.
我将把此事提交委员会考虑。
4. 在...前面;在...面前
She said she had never spoken before an audience.
她说她从未在大庭广众讲演过。

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behind
KK: []
DJ: []
prep.
1. 在...的背后;在...的后面;向...的背后
There is a garden behind the house.
屋后有个花园。
2. 落后于,不如
George always falls behind his schedule.
乔治老是不能按时完成计划。
3. 迟于;晚于
She arrived at the office ten minutes behind her usual time.
她到办公室时比往常晚了十分钟。
4. 支持
The senators are fully behind his welfare policy.
参议院的议员们完全支持他的社会福利政策
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machines
KK: []
DJ: []
n.[C]
1. 机器;机械
2. 计算机
3. 汽车;自行车;飞机
4. 机构;操纵组织的核心集团
The Allies finally smashed the Nazi war machine.
同盟国最终粉碎了纳粹的战争机器。
5. 机器人似地工作的人;没有感情或意志的人
vt.
1. 用机器做
It will take far less time to machine the cuffs than to sew them by hand.
用缝纫机缝制袖口比手工做省时得多。
2. (使用工具)按规定尺寸制成[(+down)]

before

adv.在前, 以前
prep.在...之前
conj.在...之前, 与其...宁可

before 以前
behind 在后面
machine n. 机器,vi. 可加工,vt. 制造

before前
behind后
machines机器

beforeconj
在…之前
We had scarcely reach the school before it began to rain.
我们刚到学校天就下雨了。
behind
prep
在…后面
A young man and a young woman were sitting behind me.
一个青年男子和一个青年女子坐在我的后面。
machines
n
机器；机械
a sewing-machine缝纫机