The meeting has been over for three hours and a half.

会议结束了三个半小时了。

youdao

She has been slaving over a hot stove for three hours in such unbearable summer.

在这炎热难忍的盛夏她已在灼热的炉子前挥汗干了3个小时了。

youdao

She has been slaving over a hot stove for three hours in such unbearable summer.

在这炎热难忍的盛夏她已在灼热的炉子前挥汗干了3个小时了。

youdao