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。