signal

🇺🇸 /ˈsɪɡnəl/ 🇬🇧 /ˈsɪɡnəl/
詞頻
難度
標籤 TOP3000Oxford3000CEFR-B2
noun
B1

A gesture or sound made to communicate information or instructions.

The coach gave a signal for the team to start the play.

教練發出了一個信號,讓團隊開始比賽。

B1

A device using lights to control traffic, especially on roads and railways.

The train came to a halt due to a signal failure.

由於信號故障,火車停了下來。

B2

An electromagnetic wave that conveys sounds, images, or messages to a receiver.

The radio picked up a weak signal from the distant station.

收音機從遠處的電台接收到了一個微弱的信號。

B2

An indication or hint that suggests the existence or likelihood of something.

The smoke was a signal that there was a fire nearby.

煙霧是一個信號,表明附近有火災。

verb
B1

To communicate information or instructions using a gesture or sound.

The guard signaled to us that the gate was open.

警衛向我們示意大門是開著的。

R

To indicate a change in direction of a vehicle by using lights or hand signals.

You must signal before you change lanes on the highway.

在高速公路上變道前必須打信號。

R

To be a sign or indication of something.

The decline in sales signals a problem with the product.

銷售額下降表明產品存在問題。

R

To express one's feelings or intentions in a subtle way.

She signaled her approval by nodding her head.

她通過點頭示意表示同意。

adjective
R

Having a significant meaning or impact.

The election results were a signal victory for the party.

選舉結果對黨來說是一個明顯的勝利。

translation

n. 信號, 信號燈
v. 發信號, 打方向燈, 預示, 暗示
adj. 重要的

詞形變化

3rd Present signals
Past signaled
Perfect signaled
Progressive signaling
Plural signals