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- Like other mosasaurs, Halisaurus has extra teeth called pterygoid teeth, that it uses to hold on to its prey while its jaw moves forward to swallow the hapless victim whole. 和其他沧龙一样。大洋龙有被称之为翼状牙齿的特别牙齿，当大洋龙的下颚吞食倒霉的猎物时，这种特别的牙齿就能大显身手了。
- 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。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- 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。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The brackets want an extra screw. 托架需要再加一个螺钉。
- This tooth is sensitive to cold. 这颗牙对冷过敏。
- Mike's wife have a big sweet tooth. 迈克的妻子非常喜欢吃甜食。
- He paid the extra cost without a murmur. 他付了额外的费用而毫无怨言。
- He had a bad tooth pulled out yesterday. 昨天他把蛀牙给拔掉了。
- I was fitted an artificial tooth by the dentist. 牙医给我镶了颗假牙。
- 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。
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
- Nothing hurts more than a bad tooth. 疼痛莫胜于坏牙。
- 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。
- This aching tooth makes me feel wretched. 这一颗牙痛得我难受极了。
- 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。
