signal怎么读,什么意思?

标准答案:

/'signl/

n.[C]

1. 信号;暗号[+to-v][+that]

A red lamp is used as a danger signal.

红灯用作危险信号。

2. 信号器;交通指示灯;铁信号机

The train must stop when the signal's red.

信号机是红色时,火车必须停驶。

3. 导因;近因;导火线[(+for)]

4. 标志;表示

a.

1. 作为信号的[B]

2. 显著的,非凡的

This year has seen one signal triumph for them in the election.

今年是他们在选举中取得重大胜利的一年。

vt.

1. 用信号发出;标志

A period signals the end of a sentence.

句号表示一个句子结束了。

2. 用信号通知,以动作向...示意[O2][+that]

She signaled the car to stop by raising her hand.

她举手示意车停下。

vi.

1. 发信号,打信号[(+to/for)]

The teacher signaled for quiet.

教师示意大家安静。