signal ['signl]

n.
信号
adj.
信号的
v.
发信号, 用信号通知

单词认知/跟读练习/词义回想/单词回想/字母填空/听写练习/选择练习/默写练习/单词测试（初中高）

单词 signal 网络释义

名词 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
形容词 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。
及物动词 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。
不及物动词 vi.
1.发信号,打信号[(+to/for)]
The teacher signaled for quiet.
教师示意大家安静。

单词 signal 其它相关

单词解释
n. 信号,暗号,动机,导火线
vt. 向...作信号,标志,用信号通知
vi. 发信号
a. 作为信号的,显著的
tell people something by moving your hand, a flag, etc. or by putting on a light
相关例句
A red lamp is used as a danger signal.
　 红灯用作危险信号。
The signal given, the bus started.
　 信号灯一亮，汽车开始起动。
The policeman signalled the children to cross the road.
　 警察向孩子们做手势，叫他们过马路。
He signalled the car to stop by raising his hand.
　 他举手示意车停住。
He signalled the advance.
　 他以信号告知前进。
The railway signal showed that the train could pass.
　 铁路的信号标志显示火车可以通过。
We signalled the taxi driver to pull over.
　 我们招呼出租车司机把车开过来。
Waiter with tray signals a cafe.
　 侍者托着盘子表示这家是咖啡店。
相关短语
a distress signal 遇难信号
send smoke signals 升起烟火信号
at a given signal 一有信号 (即)
the signal corps 『军』信号 [通讯] 队
a signal fire 烽火
a traffic signal 交通信号
signal a new era 成为新时代的征兆
by signal 根据信号 [暗号]
a signal of danger 危险信号
a signal flag 信号旗
give the signal to attack 发出攻击的信号
a signal for departure 出发的信号
单词变化
复数: signals
单词词根
词根：sign=标记,记号
assign vt.分给
consignee n.收货人;承销人
consigner 发货人
consignment n．托运，寄售
countersign n. 口令,暗号,副印
design v.设计，旨在 n.设计
designate vt.指出，指示；指定
ensign n. 舰旗
insignia n．徽章，袖章
resign v.辞（职）；放弃
sign n.征兆，迹象，病症
signal vt. 发信号，n. 信号
signalize vt. 使著名,使显著,使显眼
signatory n.签署者;签约国
signature n. 签名
signet n. 印,图章
significance n.意义，意味；重要性
significant n.有意义的；重要的
signification n. 含义,意义,表示
significative 有象征意义的
signify vt.表示，意味着
同义反义
同义词：marker, nonpareil, send, rare, watchword, unequaled, prick, signify, symbol, brilliant, alert, gesticulation, landmark, wigwag, password, mark, stimulus, semaphoric, significant, big, convention, toot, remarkable, singular, marking, splendid, consequential, grand, sign, cause, unbelievable, impetus, gesture, semaphore, pilot, extraordinary, whistle, unusual, communicate, milepost, weighty, sematic, lead, semaphorical, warn, fillip, monitor, reason, momentous, fabulous, glorious, guiding, speak, gesticulate, fantastic, bell, goad, admonitory, indication, milestone, countersign, guidepost, tip, flare, motive, outstanding, flag, unparalleled, indicative, warning, horn, spur, unprecedented, directional, uncommon, alarm, express, cue, exceptional, important, super, token, convey, light, siren, breathtaking, incentive, seamark, transmit, rocket, beacon
反义词：calm, silence, inferior

单词 signal 其它例句

- I corrected my watch by the time signal.
　 我按报时信号校正我的表。
- a signal feat.
　 丰功伟绩参见
- The peace treaty was the signal for mass celebrations.
　 和平协议的签署引发群众盛大的欢庆