四级词汇

The front part of the lower jaw below the mouth

下巴，颏

To disappear suddenly or completely; to cease to exist

消失，突然不见

To admit to wrongdoing; to disclose sins to a priest

承认，坦白；忏悔，告解

The state of being essential; something indispensable

必要性；必需品

Relaxed and informal; happening by chance; a temporary worker

随意的，非正式的；偶然的；临时工

The force pulling objects toward the earth; the seriousness of a situation

重力，地心引力；严重性，重要性

To separate or cut off from others; to place in quarantine

使隔离，使孤立；提纯

To cut with forceful strokes; a cut of meat with a rib bone

砍，剁；排骨，肋条肉

A gathering of people; the fitting together of parts

集会，议会；装配，组装

Producing a large amount; yielding useful results

多产的，富有成效的

Nearly vertical in slope; to soak in liquid; a steep slope

陡峭的；浸泡；陡坡

A unit of liquid volume; a glass of beer served by the pint

品脱（液量单位）；一品脱啤酒

Energetic and constantly changing; a driving force or pattern

充满活力的，动态的；动力，动态

A divine spiritual messenger; a very kind or good person

天使；善良的人，守护神

A mathematical statement that two expressions are equal; treating things as equivalent

方程式；等式；等同

A fixture used for urination and defecation; a bathroom

马桶；厕所，洗手间

Violent uncontrolled anger (n.); to express intense anger or move with great force (v.)

狂怒；大发雷霆；肆虐

Of great value or worth; deeply cherished

珍贵的，宝贵的；深受珍视的

To officially forbid or make something illegal

禁止，阻止

To officially register as a member or participant

登记，注册，入学

Exceptionally good or excellent; still remaining to be paid or dealt with

杰出的，优秀的；未付清的

To trip or nearly fall; to make mistakes; to find by chance

绊倒，踉跄；犯错；偶然发现

Sad from lack of companionship; desolate

孤独寂寞的；荒凉的

Made by humans rather than nature; fake or forced

人造的；人工的；虚假的

The first light of day; to begin to grow light or become clear

黎明；破晓；开始明朗

A motor vehicle; a car

汽车

To move downward; to be passed down through generations

下降，下来；世代相传

Theoretical, not concrete; a summary of a text

抽象的；摘要

Foolish or absurd in an amusing way

愚蠢的，可笑的

The rise and fall of sea levels; a trend; to help through a difficulty

潮汐；潮流；帮助渡过难关

Willingly; easily and without difficulty

乐意地；轻易地

Causing dramatic change; a person who supports revolution

革命性的；革命者

To work together toward a common goal

合作，协作，配合

A soft cushion for supporting the head in bed

枕头

Metal tools and fittings; physical computer components

五金器具；计算机硬件

A marine mammal; an official stamp; to close or fasten securely

海豹；印章；封闭，密封

One of the seven main landmasses of the Earth; exercising self-restraint

大陆；洲；自制的

A closed path for electric current; a regular route or series of venues

电路；巡回路线

An insufficient supply of something needed

短缺，不足

Recently; not long ago

近来，最近

A person lacking good judgment; to trick or deceive someone

傻瓜；愚弄，欺骗

To examine systematically or quickly; an act or result of scanning

扫描；浏览；细查

The back part of something; to raise or bring up children or animals

后面；后方；养育；饲养

To take on a task or responsibility; to commit to doing something

承担，从事，保证

Gently and quietly

轻柔地；温和地

Absurd, foolish, or deserving of mockery

荒谬的，荒唐的，可笑的

A precious gemstone of pure carbon; a rhombus shape

钻石，金刚石；菱形

Operating without human control; done without thinking

自动的；无意识的