signal
Definition
A gesture, sound, or action used to convey information or instructions.
中文 用于传达信息或指示的手势、声音或行为。
Example
"The referee raised his hand as a signal that the goal counted."
A gesture, sound, or action used to convey information or instructions.
中文 用于传达信息或指示的手势、声音或行为。
"The referee raised his hand as a signal that the goal counted."