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- Extra chromosomes, after all, are phenomena usually found in tumor cells. 毕竟，染色体异常增加是肿瘤细胞里常见的现象。
- When regulation fails, genome aberrations accumulate, including repeated sequences of DNA or een entire extra chromosomes. 如果调控紊乱，则基因组畸变累积，如重复的DNA序列甚至出现整条多余的染色体。
- My extra earnings came in very handy. 我的额外收入可备我不时之需。
- This extra strong glue should do the job nicely. 这种超强度胶应该管用。
- She decided to rent out a room to get extra income. 她为获得额外收入决定租出一个房间。
- She's always saddling extra duties on me. 她总是把额外责任加到我身上。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- He paid the extra cost without a murmur. 他付了额外的费用而毫无怨言。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- This dress is of extra fine quality. 这件衣服的质地特别好。
- Our immediate requirement is extra staff. 我们亟需增加工作人员。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- Extra work kept him (late) at the office. 他因有额外的工作，(很晚)仍留在办公室里。
- She decide to rent out a room to get extra income. 她为获得额外收入决定租出一个房间。
- A means of one-way transmission. 单向传输的一种手段。
- The seat back is raked for extra comfort. 这椅背向後倾斜更加舒适。
- I have to be at the office extra early tomorrow. 我明天必须很早就到达办公室。
- He received triple pay for his extra work. 他因超额工作得到三倍的报酬。
- They announced that she would give one extra song. 他们宣布说她将再唱一首歌。
- Put an extra woolly on when you go out. 出去时多加件毛衣。
