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- The flight to Accra goes twice a week. 飞往阿克拉的班机一星期开两班。
- We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。
- I am more than twice as old as he. 我的年龄是他的两倍还不止。
- Jack was fired twice but both times taken back. 杰克曾两次被解雇,但两次都被允许回去工作。
- The filly has been raced twice this season. 这匹小牝马本季度曾两次参赛。
- If I wee you, I'd think twice about it. 如果我是你我会三思而后行。
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- The caretaker stokes up twice a day. 管理员每天往火里加两次煤。
- I go to the university twice daily. 我每天去那所大学两次。
- He has been there at least twice. 他至少去过那儿两次。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- She referred to it once or twice. 这一点她提到了一两次。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- Our study group gets together twice a week. 我们的学习小组每周集中活动两次。
- The old man goes to see his grandson twice a week. 这位老人每星期去看他的孙子两次。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧,土壤的酸化越来越严重。
- This plant needs to be watered twice a week. 这种花一星期要浇两次。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- She did twice as much work as her brother. 她干的工作比她弟弟干的多一倍。