但需要在定期的牙科检查时对它进行检查，以确保它们未被磨损掉。

But they need to be checked at regular dental check-ups to make sure they are not chipped or worn away.

youdao

这种边缘增强效果说明我们的社交网络边缘是疏松、易磨损的，就像用钩针编制的毛衣尾部松掉的纺线一样。

These reinforcing effects mean that our social fabric can fray at the edges, like a yarn that comes loose at the end of a crocheted sweater.

youdao

该系统正在迅速落伍，由于DIS和有更少运动部件和磨损因素的每罐线圈的引入，测量火花塞的电压是要求在不同条件下能跳掉插头。

This system is quickly becoming obsolete due to the introduction of the DIS and coil per cylinder systems with fewer moving parts and wear factors.

youdao