音标：[ik'stә:nl] ；柯林斯词典等级：2 级；

n. 外部, 外面
a. 外部的, 客观的, 表面的

n. outward features
a. happening or arising or located outside or beyond some limits or especially surface
s. coming from the outside
s. from or between other countries

词型变化：名词复数形式 : externals
考试类型：[四级/六级/考研/托福/IELTS]

词性分布：

形容词99%

名词1%

external的用法和样例：

例句

用作形容词(adj.)

This news program only covers external events.这一新闻节目只报道国外消息。
The external sector performance also improved significantly during the period.在此期间,我国的涉外经济成绩斐然。
This force takes two forms, one internal and one external.这个权力有两种形式:一种是对内的,一种是对外的。
All his injuries are external.他受的伤都是外伤。

用作名词(n.)

The external features of the building are very attractive.这座建筑物的外观是很吸引人的。
These load cells are specially designed with small external dimensions.这些测力元件精心设计了小外观尺寸。
He is just listening in external of that room.他正在那房间的外面留神听着。

常见句型

用作形容词(adj.)

用作定语～+ n.

The external door was wide open but the inner one was locked.外面的门大开着,而里面的门锁着。
The external layer of skin is called the epidermis.皮肤的外层叫表皮。
This medicine is for external use, not to swallow.这药外用,不可口服。
The external features of the building are very attractive.这座建筑物的外观是很吸引人的。
He is actually very shy, despite external appearances.他实际上很害羞,尽管从外表看他并非这样。
The internal affairs of any state, whether it's big or small, do not allow of external interference.国家虽有大小,但它的内政是不容许外国干涉的。
That is an external reason only.那只是客观原因。

用作表语S+be+～+ prep .-phrase

The engine is external to the boat.发动机在船舷之外。

词汇搭配

external ear外耳
external fertilization体外受精
external image外部图象
external examination由校外人士主持的考试...
external force外力
external reference外部引用
external pressure环境压力
external dimension外部尺寸
external view外视图
external respiration外呼吸
external crack外表裂纹
external cause外因
external gear外接齿轮,外齿轮...
external thread外螺纹,外丝扣,阳螺...
external memory外部存储器
external resistance外电阻,外阻力...
external surface外表面
external characteristic外(部)特性(曲线)...
external friction外摩擦
external work外功

经典引文

The external worship of God.
出自：J. Butler
Fertility in the hybrid is independent of its external resemblance to either pure parent.
出自：C. Darwin

【近义词】

【反义词】

internal

Learn to Eat Like a Grown-up

Lesson 40 Text A Learn to Eat Like a Grown-up MOTHER: The table's laid. Come along, both of you, and let us begin. FATHER: I'm ready; I feel quite hungry. CHRIS: So am I; I could eat a horse. MOTHER:

发表于:2018-12-02 / 阅读(109) / 评论(0)

初级口语教程

2008年ESL之餐饮 05 Ordering Food for Delivery

05Ordering Food for Delivery GLOSSARY delivery order when a restaurant takes a food order by phone and then, oftenby car, brings the food to a persons home or office* I was hungry but didnt want to leave my house, so I called the pizza restaurantand

发表于:2018-12-26 / 阅读(73) / 评论(0)

2008年ESL之餐饮娱乐

美国习惯用语:482 step up to the plate...

今天还是要继续讲两个在大选期间新闻界常用来报道选战形势的习惯用语。你知道哪一种运动是美国人日常用语最丰富的源泉呢？是美国最风行的球类运动：棒球。今天要说的两个习惯用语都

发表于:2019-01-09 / 阅读(106) / 评论(0)

美国习惯用语

美国习惯用语:295 step up to the plate

在美国每年棒球季节的第一场比赛相当于春天来临的信息。说真的，这一百多年来最得美国大众青睐的运动就是棒球，而棒球运动也成了习惯用语的丰富来源。我们今天就专讲一些出自棒球运

发表于:2019-01-09 / 阅读(112) / 评论(0)

美国习惯用语

英语口语教程（Oral Workshop）--初级 Lesson 40

Lesson 40 Text A Learn to Eat Like a Grown-up MOTHER: The table's laid. Come along, both of you, and let us begin. FATHER: I'm ready, I feel quite hungry. CHRIS: So am I, I could eat a horse. MOTHER: Well, we haven't got a horse for you , but what we

发表于:2019-01-14 / 阅读(174) / 评论(0)

英语口语教程（Oral Workshop）--初级

ESL Podcast 373 – Ordering Food Delivery

Order clerk: Hello, Torinos Restaurant. Nancy: Hello, Id like to place a delivery order. Order clerk: Can I have your address and the major cross streets, please? Nancy: Its 1212 Main Street, and the nearest cross streets are Speedway and Highland. O

发表于:2019-02-18 / 阅读(56) / 评论(0)

地道美语播客

单词：external