1、turn on

打開（設備）；接通（…的供應）

I want to turn on the television.

我想開電視。

She asked them why they hadn't turned the lights on.

她問他們?yōu)槭裁床婚_燈。

對…進行身體（或語言)攻擊;斥責

Demonstrators turned on police, overturning vehicles and setting fire to them.

示威者攻擊警察，推翻車輛并將其縱火焚燒。

He turned on Pete and accused him of being mixed up in drugs.

他怒斥皮特，指責他沾染毒品。

依靠;取決于

The plot turns on whether Ilsa will choose her lover or her husband.

故事情節(jié)取決于伊爾莎會選擇情人還是丈夫。

2、current

(河、湖或海的)水流，潮流

Under normal conditions, the ocean currents of the tropical Pacific travel from east to west.

在正常情況下，太平洋的熱帶洋流自東向西流。

The couple were swept away by the strong current.

這對夫妻被巨大的水流卷走了。

思潮;潮流;趨向

Each party represents a distinct current of thought.

每個黨派代表一種不同的思潮。

A strong current of nationalism runs through ideology and politics in the Arab world.

一股強烈的民族主義思潮涌入阿拉伯世界的思想體系和政治體系。

現(xiàn)時的;當前的;進行中的

The current situation is very different to that in 1990.

當前的形勢與1990年截然不同。

He plans to repeal a number of current policies.

他計劃廢除一些當前的政策。