signal

['signəl]

n.信号, 标志
v.(发信号)通知、表示
adj.显著的

例句与用法:

I corrected my watch by the time signal.

我按报时信号校正我的表。

Her speech yesterday was a signal that her views have changed.

她昨天的讲话标志著她的观点已经转变。

Is this announcement the signal of better times ahead?

宣布的这件事是否预示往後日子越过越好了?

The rise in prices was a signal for rebellion.

物价上涨引起了叛乱。

The police signalled the traffic to move forward slowly.

警察向来往车辆打信号,示意缓慢前行。

A red lamp is often a danger signal.

红灯常常是危险的信号。

词形变化:

名词: signaler | 动词过去式: signaled/signalled | 动词过去分词: signaled/signalled | 动词现在分词: signaling/signalling | 动词第三人称单数: signals/signals |

详细释义:

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.

发信号, 打信号[(+to/for)]

The teacher signaled for quiet.

教师示意大家安静。