exterior wall，external wall，periphery wall，outer wall ；

[例句] 外墙看起来一刮强风就会倒塌。 The outer walls looked likely to tumble down in a stiff wind.

[例句] 房子外墙需要油漆。 The exterior of the house needs painting.

exodermic，exodermis，epicutis，ectosome ；

[例句] 这种蔬菜能保护皮肤外皮层防止它的提早衰老. This vegetable protects and keeps the outer skin layer and results preventing premature aging.

[植] pannexterna，ectocarp exocarp，epicarp ；

[例句] 聚合果长椭球形, 长达13厘米, 直径约9厘米,外果皮有苍白色皮孔. Aggregate long ellipsoid, 13 cm long, 9 cm in diameter ; pericarp with glaucous lenticels.

[例句] 果实生长发育在解剖结构上表现为果实外果皮 、 中果皮及内果皮三部分细胞的分裂与膨大. The change of fruit anatomical structure shows cell of exocarp, sarcocarp and endocarp division and enlargement.

out，outer，outside，[经] external，exoteric ；

[例句] 孩子吃掉药丸外面的糖,却把药吐了出来. The boy spat out the pill after eating off its sugar coating.

[例句] 剔鸡腿骨时切勿戳破外面的皮。 Make sure that you do not pierce the skin when boning the chicken thighs.

[医] extorsion，extort，lsterotorsion ；

[例句] 他研究了摆线 、 圆外旋轮线和四点圆的旋轮线的几何性质. He investigates geometrical properties of cycloids , epicycloids, and hypocycloids.

[例句] 而在答应出现动力性外旋时则出现了更明显的滞后现象. Hysteresis was significantly greater when dynamic external rotation was allowed to occur.

explicit，exterior，[电] apparent，external，extrinsic ；

[例句] 我们大部分人坚持认为我们对遇到的人作出何种反应并不取决于其外在的魅力。 Most of us would maintain that physical attractiveness does not play a major part in how we react to the people we meet.

[例句] 觉得自卑的人只有通过外在的成就来弥补自己的不足，但往往都做过了头。 People who sense that they are inferior have to compensate, and often over-compensate by way of outward achievement.

loanword ；

[例句] 英语中有一些外来词. There are some exotic words in English language.

[例句] 外来词源源进入英语. Foreign words keep coming into English.

superficial，extrinsic，[医] ectal，outside，outward ；

[例句] 锡克教徒应当严格遵守该教对外表的规定。 Sikhs were expected to adhere strictly to the religious rules concerning appearance.

[例句] 她对自己外表的关注近于强迫。 She became almost obsessional about the way she looked.

[数] epicycloid ；

[例句] 推出内、外摆线槽实际齿廓的压力角计算公式. The pressure angle formulas of inside and outside profiles of the cycloid grooves are respectively deduced.

extramarital ；

[例句] 人们可以容忍公众人物婚外的不检点行为。 People are prepared to be tolerant of extra-marital peccadilloes by public figures.

[例句] 你认为婚外性行为是不对的 吗 ? Do you think sexual act outside marriage is wrong?

(maternal) grandmother ；

[例句] 这个残酷的人把所有的钱财都拿走了,撇下他自己的外祖母一人无依无靠. The cruel man took all the money and left his own grandmother high and dry.

[例句] 小孙女一早起来就向外祖母道早安. The little girl bid her grannie good morning as she gets up in the morning.

[方] (maternal) grandfather ；

[例句] 他的祖父和外公都热衷于演说。 Both his grandfathers were fired with an enthusiasm for public speaking.

[例句] 她的外公是卡拉奇市的市长。 Her maternal grandfather was Mayor of Karachi.

名 extraterrestrial intelligence，extraterrestrial(ET)，alien；

[例句] 有外星人拜访了他们。 They have been visited by creatures from outer space.

[例句] 吉姆在这部电影里是个外星人. Jim is an alien in this film.

[化] outer sphere，[医] strata externum ；

[例句] 1957年，苏联人将“斯普特尼克1号”人造卫星送入了外层空间。 In 1957, the Soviets launched Sputnik 1 into outer space.

[例句] 椅子外层是人造兽皮。 The chairs were covered in faux animal skin.

[法] layman，laical ；

[例句] 在外行人眼里，这些孩子表现正常。 To the untrained eye, the children were behaving ordinarily.

[例句] 这些专门术语是外行人难以理解的. These technical terms are difficult for the layman to understand.

outfielder ；

[例句] 外场手没能及时接住这个高飞球. The outfielder couldn't reach the flare in time.

[例句] 他们的外场手截击力不强. Their outfield play is weak.

diplomat，diplomatist ；

[例句] 外交官可能会提供一些靠不住的误导性信息，这是众所周知的。 Diplomats can be a notoriously unreliable and misleading source of information.

[例句] 外交官们认为繁文缛节造成的延迟是在所难免的。 Diplomats believe that bureaucratic delays are inevitable.

[方] (maternal) grandmother ；

[例句] 挪开些,让你外婆坐下来. Move over and let your grandmother sit down.

[例句] 很久以来，她的母亲和外婆两人之间几乎不怎么说话。 For a long time her mother and her grandmother had hardly been on speaking terms.

[体]fieldsman ；

[例句] 他把球打至投手右侧外场员的附近. He played the ball to mid - on.

[例句] 一名外场员得到了球: 他能把他淘汰出局 吗 ? A fielder has the ball; can he throw him out?

[化] ecto-hormone，exohormone，ectohormone ；

[例句] 因此可知玉米螟外激素的产生系受一种类 PBAN 因子控制. This fact indicates that pheromone production is under the control of a PBAN - like factor.