81.substance

释义

n. 物质，材料；实质；主旨，主要内容

例句

Petrol is a volatile substance.

汽油是挥发性物质。

Nothing of any substance was achieved in the meeting.

会议没有取得任何实质性成果。

82.instrument

释义

n. 器械；乐器；仪器；促成某事的人（或事物），手段

例句

The instrument is beautifully made in brass.

这个乐器是用黄铜精致铸造成的。

An instrument called a trocar makes a puncture in the abdominal wall.

一种叫作套管针的器械会在腹壁上扎一个小孔。

There is always an internal circuit breaker to protect the instrument from overload.

总有一个断电器以防止仪器超负荷运转。

83.apply

释义

v. 申请；涂，敷；施加，实施；应用

例句

The convention does not apply to us.

该协定对我们不适用。

They may apply to join the organization.

他们可能申请加入该组织。

84.illustrate

释义

v. 说明，阐明；证明

例句

Let me illustrate what I mean with an old story.

让我用一个老故事来说明我指的是什么吧。

The following account will clearly illustrate this point.

以下的陈述将清楚地阐明这一看法。

85.exhibit

释义

v. 表现出；卖弄，炫耀

n. 展品；（法庭上出示的）证物

例句

He had kindly offered to loan us all the plants required for the exhibit.

他友好地主动提出了借给我们展览会所需的全部植物。

86.maintain

释义

v. 保持，维持；维修

例句

It's hard to maintain competitive pricing.

很难保持有竞争力的定价。

The house costs a fortune to maintain.

维修这房子花费巨大。

87.demonstrate

释义

v. 证明；示范，演示

例句

We must demonstrate that aggression will not pay.

我们必须证明侵犯是没有好处的。

88.implement

释义

v. 执行，贯彻，实施；为……提供工具

n. 工具，器具

例句

Leadership is about the ability to implement change.

领导才能是一种实行变革的能力。

The government promised to implement a new system to control financial loan institutions.

政府许诺要实施新的制度来控制金融贷款机构。

89.be attributed to

释义

归因于

例句

Extrapolating from his latest findings, he reckons about 80% of these deaths might be attributed to smoking.

从他最近的发现推断，他估计大约80%的这类死亡可能归因于吸烟

90.yield

释义

v. 产生（收益、效益等），产生（结果）；屈服，让步；放弃

n. 产量；收益，利润

例句

Higher-rate deposit accounts yield good returns.

高利率的存款会产生丰厚的收益。

He may yield control.

他可能放弃控制权