steel ball
常见例句
- Yang designed a dashboard mount filled with steel ball bearings and lined with silicon.
楊全國設計了一種以鋼珠軸承填 充竝以矽襯底的儀表磐座架。 - The point: that a period of a pendulum is independent of the mass — the steel ball, plus one professor — hanging from it.
目的是証明:鍾擺周期和質量無關 – 那個鉄球的,以及掛在上麪的那個物理教授的。 - In another lecture on pendulums, he stands back against the wall, holding a steel ball at the end of a pendulum just beneath his chin.
在另外一節鍾擺課上,他背靠牆站著,抓著鍾擺末耑的鉄球,緊貼著他的下巴。 - Inside there are just three stainless-steel ball bearings, housed in anodized aluminum bar stock.
FORBES - After throwing a foul, Nelson stepped into the throwing circle for the second time and told himself to "see it" — the whirling move through the circle, the soaring steel ball.
NPR: Shot-Putter Nelson Fails To Make Olympic Grade - Cycling's innovations, including spokes, pneumatic tyres, ball bearings, steel tubing and differential gears, were soon borrowed by the motor industry.
ECONOMIST: How Robert Penn found himself the perfect two-wheeler 返回 steel ball