For a long time biologists believed that male deer used buck rubs not only to clean and polish antlers but also to provide practice for the ensuing male-to-male combat during the rut.
长期以来，生物学家们认为雄鹿擦痕不仅可以清除并磨光鹿茸，还可以借此练习发情期时雄鹿之间的角斗。
Action nis the wheel of upward, only action, rut will upward. Whatever grade now, as long as there is action, anything is possible.
行动是向上的车轮，只有行动，车辙才会向上。无论现在成绩如何，只要有行动，一切皆有可能。
In one day you can change your skiing; and build it toward efficiency, rather than staying stuck in the rut that only deepens the frustration generated by the inefficient movement spiral.
在一天之内可以更改您的滑雪，建设这对效率，而不是在发情期，只有加深了效率螺旋运动产生的沮丧坚持住。
A pay rise only leads to short-term satisfaction before the rut sets in again, according to a new study.
最新研究显示，加薪给人带来的满足感非常短暂，不久就一切如旧了。
A cup of water poured into a rut or a pothole on the ground only can float a small piece of grass or a leaf.
而当我们将一杯水倒在地上凹下去的地方时，那一摊水就只能让一根小草、一片树叶浮起而已。
When you accept you are stuck, and accept that only you can change your life, you start to move on and break out of your rut.
一旦发现自己被困，并承认只有自己能改变生活，那么你就会前进，摆脱困境。
The only difference between a rut and a grave is the timing.
墨守成规的人与坟墓的差别，只是时间而已。
Only two types of irons were used during the feathery ball era, the sand iron with a large concave face and the rut iron which had a very small head.
在羽毛高尔夫球时代，仅有两种高尔夫球杆被使用，一种是带有大凹杆面的沙铁杆，另一种是杆头很小的。
At present, rut depth is the only evaluation index for rutting at home and abroad.
国内外采用单一的车辙深度评价指标不能反映车辙危害的全部信息。
At present, rut depth is the only evaluation index for rutting at home and abroad.
国内外采用单一的车辙深度评价指标不能反映车辙危害的全部信息。
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