【根】mut＝to change（改變）

mutable
Capable of or subject to change or alteration. Prone to frequent change; inconstant: mutable weather patterns.
Tending to undergo genetic mutation
adj. 易變的，不定的；性情不定的

immutable
Not subject or susceptible to change.
adj. 不變的；不可變的；不能變的

mutant
An individual, organism, or new genetic character arising or resulting from mutation.
Slang. One that is suggestive of a genetic mutant, as in bizarre appearance or inaptitude.
Resulting from or undergoing mutation: a mutant strain of bacteria.
Slang. Suggestive of a genetic mutant.
n. 突變體；突變異種
adj. 突變的

詞組短語:
mutant strain 突變系；突變菌株；突變株
mutant gene 突變基因；變異基因
Teenage Mutant Ninja Turtle 忍者神龜（美國(guó)動(dòng)畫電影） ninja【日】忍者

例句：
The result of these experiments will be a nightmarish world filled with two-headed monsters and other mutants.
這些試驗(yàn)的結(jié)果將造成一個(gè)可怕的世界,充滿了雙頭怪和其他怪物。

mutation
The act or process of being altered or changed.
An alteration or change, as in nature, form, or quality.
Genetics. A change of the DNA sequence within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type. The process by which such a change occurs in a chromosome, either through an alteration in the nucleotide sequence of the DNA coding for a gene or through a change in the physical arrangement of a chromosome. A mutant.
Linguistics. The change that is caused in a sound by its assimilation to another sound, such as umlaut.
n. 變化，轉(zhuǎn)變；[遺] 突變,變種；【語言學(xué)】元音變化

mutual exchange交換
Having the same relationship each to the other: mutual predators.
Directed and received by each toward the other; reciprocal: mutual respect.
Possessed in common: mutual interests.
Of, relating to, or in the form of mutual insurance.
adj.共同的；相互的，彼此的

例句：
Mutual understanding is essential to friendship.
相互理解對(duì)友誼至關(guān)重要。
We found that we had a mutual friend.
我們發(fā)現(xiàn)我們有一個(gè)共同的朋友。

mutuality
condition or quality of being mutual; reciprocity; mutual dependence
n. 相互關(guān)系，相關(guān)；親密

趣味單詞

zoom
To make a continuous low-pitched buzzing or humming sound. To move while making such a sound.
To climb suddenly and sharply. Used of an airplane.
To move about rapidly; swoop.
To simulate movement rapidly away from or toward a subject using a zoom lens.
Computer Science. To cause text or other graphics in a window or frame to appear larger on the screen.
To cause to zoom.
The act or sound of zooming.
A zoom lens.
n. 急速上升；嗡嗡聲；[攝] 變焦攝影
vi. 急速上升；攝象機(jī)移動(dòng)
vt. 使攝象機(jī)移動(dòng)

詞組短語：
zoom in v. 放大
zoom lens 變焦鏡頭
zoom out 縮小
digital zoom 數(shù)碼變焦；數(shù)字變焦

例句：
The prices of food have zoomed this year.
今年食品價(jià)格猛漲。
Nick went zooming past in his new car.
尼克開著新車轟地一聲飛馳而過。
The camera zoomed in on the girl's face.
攝影機(jī)鏡頭向女孩子的臉部推近。