正文

VOA慢速英语:Time -- One of the Great Mysteries of Our Universe

2009-12-29来源:和谐英语

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

1.When the hourglass is turned with the upside down, it begins to mark the passing of another hour.

upside down翻转

例句：The aero planes were flying upside down and doing other wonderwork.
飞机正在表演倒飞和其他绝技。

The box was lying on the floor upside down.
盒子翻倒在地板上。

2.Most people have no trouble agreeing that time moves forward.

have trouble doing相当于have difficulty doing做某事有困难。have difficulty/trouble/problem doing sth这几个短语的用法相同。

例句：We had difficulty (in) carrying out the plan．
我们执行计划有困难。