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- Breathing increases to twice normal rate and becomes labored. Weak narcotic effect. Impaired hearing, headache, increase in blood pressure and pulse rate. 呼吸增加到正常水平的两倍和变得吃力。弱麻醉作用削弱了听力，头痛，血压和脉搏增加。
- Tall, thin and diffident around the edges, he speaks at twice normal speed, often inserting parenthetical commentary on his thoughts as he gallops ahead. 他个子很高，不过很瘦，说话比正常语速快一倍，谈话的时候经常 会插进一些自己的评论。
- Breathing increases to twice normal rate and becomes labored. Weak narcotic effect. Impaired hearing, headache, increase in blood pressure and pulse rate . 呼吸增加到正常水平的两倍和变得吃力。弱麻醉作用削弱了听力，头痛，血压和脉搏增加。
- 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。
- The computer has a normal qwerty keyboard. 这台计算机有标准的英文键盘。
- If I wee you, I'd think twice about it. 如果我是你我会三思而后行。
- The caretaker stokes up twice a day. 管理员每天往火里加两次煤。
- The situation has returned to normal in the city. 这座城市的局势已恢复正常。
- I go to the university twice daily. 我每天去那所大学两次。
- The normal return fare to New York is fifty-six. 去纽约的来回票标准价是56元。
- He has been there at least twice. 他至少去过那儿两次。
- She referred to it once or twice. 这一点她提到了一两次。
- 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。
- Everything is absolutely normal. 一切完全正常。
- This plant needs to be watered twice a week. 这种花一星期要浇两次。
