在下一次开始前仍有诸多余留的工作。
我们进化到这一阶段,它们顶多是进化的余留物罢了。
At this stage of our evolution, they're little more than remnants.
但是,没有任何事物的骄傲狗仍然余留下来。
目的:了解高龄老年人余留牙的牙周情况。
Objective: To understand the periodontal status of the aged people.
目的:了解高龄老年人余留牙的牙周情况。
Objective: To understand the periodontal status of the aged people.
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