signal的过去式

signal

[ˈsɪɡnəl]

n.信号;红绿灯;

v.发信号;示意;

adj.重大的;

复数： signals 过去式： signalled 过去分词： signalled 现在分词：signalling 第三人称单数： signals

例句:

1、

Did you signal before you turned right?

右转弯前你示意了吗？

《牛津高阶英汉双解词典》

2、

When I give the signal , run!

我一发信号，你就跑！

《牛津高阶英汉双解词典》

3、

(North Amercian English)All I get is a busy signal when I dial his number (= his phone is being used) .

我什么时候拨他的电话听到的都是忙音。

《牛津高阶英汉双解词典》

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