ball bearing
n.滚珠,球轴承,滚球轴承
难易程度:
ball bearing为短语/超纲词汇
ball bearing
.ball 'bearing
n[C]
small metal balls that move in a ring, to make a part inside a machine turn more easily
one of these metal balls
1. Each time mine broke down, lost a screw, needed a new roller bearing, the brake wouldn't work, etc., and I called Suzanne, I had to endure a little lecture. 每次我的轮椅坏了,掉了螺丝,需要换轴承,或刹车不灵等,我都打电话给苏珊娜,但每次都要挨训。
2. Wilma was bouncing the ball around under the basket. 威尔玛正在篮下来回运球,
3. Who has not stood in awe at the sight of a spider pouncing on a fly, or a column of ants triumphantly bearing home an enormous dead beetle? 当看到蜘蛛扑向一只苍蝇时,一队蚂蚁抬着一只巨大的死甲虫凯旋归时,谁能不感到敬畏呢?
4. When I played ball (poorly), he "played" too. When I joined the Navy, he "joined" too. 我打球时(球技很糟),他也在"打";后来我加入了海军,他也"加入"了。
5. Women of child-bearing age are at greatest risk, since their monthly bleeding is a major source of iron loss. 育龄女性危险最大,因为月经是铁流失的重要原因之一。
6. While active, child-bearing age women are most likely to have low iron stores, he notes, "Men are not safe, especially if they don't eat meat and have a high level of physical activity." 他还指出,虽然积极锻炼的育龄妇女最有可能铁离子储量低,"但男性也并非不缺铁,尤其是在他们不吃肉类而又从事高强度的体力活动的情况下。"
7. The sun looks like a big ball of fire. 太阳看起来象个大火球。
8. This is a big ball. 这是一个大球.
9. The wooden ball is heavier than the cotton one. 木球比棉球要重.
10. The ball rebounded off the wall. 球从墙壁弹回。
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