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- This clock keeps good time. 这个钟时间很准确。
- Does the wall clock keep good time? 这挂钟走得准吗?
- Our clock keeps good time. 我们的钟走得很准。
- If the pendulum is made of invar,the bob does not rise or fall much. So the clock keeps good time in summer and winter. 如果用不胀钢做钟摆，摆锤升降的距离就很小，这样无论夏季或冬季，钟都走得很准。
- If the pendulum is made of invar, the bob does not rise or fall much. So the clock keeps good time in summer and winter. 如果用不胀钢做钟摆，摆锤升降的距离就很小，这样无论夏季或冬季，钟都走得很准。
- If the pendulum is made of invar, the bob does not rise or fall much.So the clock keeps good time in summer and winter. 如果用不胀钢做钟摆，摆锤升降的距离就很小，这样无论夏季或冬季，钟都走得很准。
- If we do this,the clock will keep good time. 位置找准了，钟就会走得很准。
- If we do this, the clock will keep good time. 位置找准了，钟就会走得很准。
- This hanging clock doesn't keep good time. 这座吊钟的时间很不准。
- The quartz clock keeps very good time. 石英表走得很准。
- A clock must above all keeps good time. 时钟最重要的是必须走得准。
- My watch has not kept good time since I dropped it. 我的表自从摔了以后就不准了。
- I've had this watch for twenty years and it still keeps good time. 这块手表我已用了20年，但它仍然走得很准。
- Although it is a cheap one,this watch keeps good time. 虽然这块表便宜，但走得倒挺准。
- Once started, the clock will go half a month and keep good time. 一旦给这钟上了发条,它就会走半个月,并且走得很准。
- To see if the other one keeps good time. 互相监督是否走时准确。
- The quartz watch keeps good time. 石英表走时准。
- The famous-brand watches produced by this factory all keep good time. 该厂生产的名牌手表，走时准确。
- This clock is a good timekeeper. 这钟是一个很好的计时器。
- My cheap watch never kept good time so I gave it the chop and bought a new one. 我的廉价手表从来走得不准，因此我把它扔了，买了一个新的。
