【leave是及物动词，不与介词at搭配使用】

Remind me to leave at twelve forty-five.

提醒我十二点四十五分走。

-- 英汉 - 辞典例句

Trains leave at hourly intervals.

列车每隔一小时开出一趟.

-- 英汉 - 辞典例句

Buses leave at short intervals.

公共汽车不时地开出。

-- 英汉 - 辞典例句

We agreed to leave at once.

我们同意立即离开。

-- 轻轻松松背单词-蒋刚

Does he mean seriously that we are to leave at 4∶30 in the morning?

他当真要我们早上四点半出发？

-- 英汉 - 辞典例句

We will leave at daybreak.

我们将在黎明时动身。

-- 轻轻松松背单词-蒋刚

The trains leave at hourly intervals.

列车每隔一小时开出一趟。

-- 轻轻松松背单词-蒋刚

He explained that he had to leave at once.

他解释说他必须立即离开。

-- 英汉 - 辞典例句

He took his leave at eight.

他8点钟告辞离去。

-- 英汉 - 辞典例句

They told me to leave at once, or else.

他们要我马上离开,否则(对我不利)。