1. 习惯于
2. 旧的
3. 用过的
4. 用旧了的
5. 二手的
6. 适应
7. 精疲力尽的
8. 不干净的
9. 不新鲜的
10. 被使用的在使用中的
11. 被利用的

1. 动词use的过去式和过去分词

1. 常常
2. 经常
3. 往往
4. 曾经
5. 过去常
6. 总是
7. 翻来复去
8. 本来
9. 禁不住

1. [A] 用过的,旧的,二手的 (usually of goods) which has already had an owner; secondhand

1. [P] 习惯于…的 in the habit of; accustomed to

1. employed in accomplishing something;

   "the principle of surprise is the most used and misused of all the principles of war"
   

2. of persons; taken advantage of;

   "after going out of his way to help his friend get the job he felt not appreciated but used"
   

3. previously used or owned by another;

   "bought a secondhand (or used) car"
   

情态用法及短语（MODAL USES AND PHRASES）

1.过去常常；过去曾
If somethingused to be done orused to be the case, it was done regularly in the past or was the case in the past.

e.g. Peopleused to come and visit him every day...
人们过去每天都来拜访他。
e.g. Heused to be one of the professors at the School of Education...
他曾是教育学院的一名教授。

2.过去不曾（亦作did not use to 或 did not used to，尤用于口语）
If somethingused not to be done orused not to be the case, it was not done in the past or was not the case in the past. The formsdid not use to anddid not used to are also found, especially in spoken English.

e.g. Borrowingused not to be recommended...
过去是不建议借贷的。
e.g. At some point kids start doing things they didn't use to do. They get more independent...
从某个时候起，孩子们开始做以前不曾做的事情。他们变得更加独立。

3.习惯于
If youare used to something, you are familiar with it because you have done it or experienced it many times before.

e.g. I'mused to having my sleep interrupted...
我习惯了睡觉时被吵醒。
e.g. It doesn't frighten them. They'reused to it.
这可吓不倒他们。他们已经习惯了。

4.开始习惯于
If youget used to something or someone, you become familiar with it or get to know them, so that you no longer feel that the thing or person is unusual or surprising.

e.g. This is how we do things here. You'll soon getused to it...
我们这里就是这么做事的。你很快就会习惯的。
e.g. He took some gettingused to...
他过了一段时间才慢慢适应。

形容词用法（ADJECTIVE USES）

1.用过的;不干净的；损坏的
Aused object is dirty or spoiled because it has been used, and usually needs to be thrown away or washed.

used是什么意思

e.g. ...aused cotton ball stained with makeup...
沾满化妆品的脏棉球
e.g. He took aused envelope bearing an Irish postmark.
他拿了一个盖着爱尔兰邮戳的旧信封。

2.（车）二手的，旧的
Aused car has already had one or more owners.

e.g. Would you buy aused car from this man?...
你会从这个人手里买一辆旧车吗？
e.g. His only big purchase has been aused Ford.
他买的唯一一个大件就是一辆二手福特。

1.

1. 用过了的：数据不应该是生产出来的(produced),精选出来的(picked),用过了的(used)数据便没有了意义. pick精选, 摘下;produce生产,制造;use使用;gather收集,搜集,整理. 在不远的将来,水供应的预报和水的使用将(will)很可能依赖的是人们对高山积雪的认识,