un.der
under的音标和读音：
DJ音标发音： [ˈʌndə]
KK音标发音： [ˈʌndɚ]
under的词性：
prep.（介词）
1. In a lower position or place than:
在…下面：在比…低的位置或地方上：
a rug under a chair.
椅子下面的小地毯
2. To or into a lower position or place than:
到或进入比…低的位置或地方：
rolled the ball under the couch.
把球滚到躺椅下
3. Beneath the surface of:
在…表面下：
under the ground; swam under water.
在地下；游到水下
4. Beneath the assumed surface or guise of:
在…的假定表面或掩饰下：
traveled under a false name.
用假名旅游
5. Less than; smaller than:
少于，小于：
The jar's capacity is under three quarts.
这个坛子的容量小于三夸特
6. Less than the required amount or degree of:
未达，未满：少于规定数量或程度：
under voting age.
不到投票年龄
7. Inferior to in status or rank:
地位或等级低于…：
nine officers under me at headquarters.
在总部职位低于我的九个军官
8. Subject to the authority, rule, or control of:
受制于：在…的权威、统治或控制之下：
under a dictatorship.
在独裁统治之下
9. Subject to the supervision, instruction, or influence of:
在…指导下：受…的监督、指导或影响：
under parental guidance.
在父母指导之下
10. Undergoing or receiving the effects of:
经受或接受…的影响：
under constant care.
接受长期护理
11. Subject to the restraint or obligation of:
受到…的约束或承受…的义务：
under contract.
受合同的约束
12. Within the group or classification of:
在…的群体或类别中：
listed under biology.
被列在生物学中
13. In the process of:
在…过程中：
under discussion.
在讨论中
14. In view of; because of:
考虑到…；因为…：
under these conditions.
由于这些情况
15. With the authorization of:
经…的授权：
under the monarch's seal.
经君王的保证
16. Sowed or planted with:
播种或栽种着…：
an acre under oats.
栽种燕麦的一英亩地
17. Nautical Powered or propelled by:
【航海】 以…为动力或用…推动：
under sail; under steam.
扬帆行驶；以蒸汽为动力
18. During the time conventionally assigned to (a sign of the zodiac):
在…中，在…期间：处于传统上属于（黄道中一宫）的那段时间：
born under Aries.
生于白羊星座
under的词性：
adv.（副词）
19. In or into a place below or beneath:
在或进入低于…位置：
struggled in the water but then slipped under.
在水中挣扎但接着滑了下去
20. In or into a subordinate or inferior condition or position.
附属地，下等地：在或进入附属或较差的状况或位置
21. So as to be covered or enveloped.
为了被盖住或包住
22. So as to be less than the required amount or degree.
为了低于要求的数量或程度
under的词性：
adj.（形容词）
23. Located or situated on a lower level or beneath something else:
下面的：处于或置于一较低平面或…以下的：
the under parts of a machine.
机器的下部
24. Lower in rank, power, or authority; subordinate.
从属的，下级的：等级、权力或威望低的；附属的
25. Less than is required or customary:
过少的：少于要求的或通常的：
an under dose of medication.
过少的药量
26. Having gotten free of worries or difficulties:
免于忧虑或困难：
Credit counseling helped us get out from under.
信用咨询使我们免除了忧虑
under的词源：
27. Middle English
中古英语
28. from Old English * see ?dher-
源自 古英语 *参见 ?dher-
under-
under的词性：
pref.（前缀）
1. Beneath or below in position:
在…下：位置低于或在…之下：
underground.
地下
2. Inferior or subordinate in rank or importance:
低于…：等级或重要性较低的或次要的：
undersecretary.
次长
3. Less in degree, rate, or quantity than normal or proper:
次于…：程度、比率或数量低于正常或适当水平：
undersized.
小型的
under的词源：
4. Middle English
中古英语
5. from Old English * see ?dher-
源自 古英语 *参见 ?dher-
under的用法：
6. Many compounds other than those entered here may be formed with under-. In forming compounds, under- is joined with the following element without space or a hyphen: underrate; undergrow. Note, however, that the adjective under may combine with other words as a unit modifier. In such cases the words are joined by hyphens: an under-the-table deal.
除了这里例举的之外还有许多复合词都是用under- 组成的。 under- 和下列成分组成复合词时，中间不留空格或不加连字符： underrate; undergrow（低估；发育不全）。 但注意，形容词under 可以和其它词共同构成一修饰语。 在这种情况下中单词需加连字符：an under-the-table deal（暗中交易）