搜索
to signal
01
发信号, 示意
to give someone a message, instruction, etc. by making a sound or movement
Transitive: to signal sth
Ditransitive: to signal sb to do sth
Example
The referee signaled a penalty by raising the yellow card.
The coach signaled the players to execute a specific play using hand gestures.
In a crowded room, she discreetly signaled her friend across the table to join her.
02
发出信号, 指示
to indicate something as a sign for something else
Transitive: to signal sth | to signal that
Example
The sudden appearance of police cars signaled trouble in the neighborhood.
The sudden drop in temperature signaled the onset of winter.
His frequent coughing signaled that he might be coming down with a cold.
03
发信号, 示意
to do something to make one's feelings or opinions known
Transitive: to signal an opinion or sentiment
Example
He signaled his agreement by nodding his head vigorously.
She signaled her annoyance by tapping her foot impatiently.
She signaled her disapproval by crossing her arms and frowning.
Signal
01
信号, 手势
a gesture or action used to convey a message without using words
Example
She waved her arms as a signal for help.
He nodded his head as a signal of agreement during the meeting.
The referee 's whistle served as a signal to stop the game.
02
信号, 标志
any incitement to action
03
信号, 波
a series of electrical or radio waves carrying data to a radio, television station, or mobile phone
What is "signal"?
A signal refers to a series of electromagnetic waves used to carry data from one device to another, such as from a radio station to a receiver, or from a mobile phone to a cell tower. These signals can carry various types of information, such as voice, music, or video, and are transmitted through the air or via cables. The quality of a signal affects how well the data is received and understood, with stronger signals providing clearer communication.
Example
The radio picked up a weak signal from a distant station, resulting in static-filled audio.
The Wi-Fi router sends a signal to all connected devices, providing internet access throughout the house.
The satellite transmits a signal to the television station, allowing live broadcasts to be aired.
signal
01
显著的, 非凡的
notably out of the ordinary
例子
The referee signaled a penalty by raising the yellow card.
The coach signaled the players to execute a specific play using hand gestures.
In a crowded room, she discreetly signaled her friend across the table to join her.
The traffic officer signaled drivers to stop or proceed using hand signals.
附近的词
