查询词典 rifling

Roger notes that the gun was his first project entirely made using miniature machine tools except for the rifling and checkering of the grip which are done by hand.

罗杰指出，枪是他的第一个项目，完全采用微型机床除为膛线和checkering的抓地力，这是做手。

The benefits were seen particularly in the mid-afternoon, the scientists said - at a time when many of us can be found rifling through desk drawers looking for matchsticks to prop open our eyelids.

科学家们表示，睡午觉的好处，在下午3点左右表现得尤其明显——在这个时候，我们中的许多人都在&洗劫&抽屉，寻找火柴杆似的东西来撑着眼皮。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。