如何使用 "cylinder" 造句

1. The researchers placed hollow paper pyramids inside the cylinder .
研究人员将空心纸制金字塔置于该圆柱体内。
2. By an 1889 international accord , the mass of this metal cylinder defines the kilogram .
1889年某项国际协议中规定,该铂铱合金圆柱体的质量为1千克。
3. The shell serves to cushion the cylinder , and thus stop it damaging the bladder 's inner wall .
这个外壳起到了一个缓冲作用,可以避免圆柱体对膀胱内壁造成损伤。
4. This is a cylinder composed solely of carbon atoms , and one of its properties is good electrical conductivity .
这是一种仅由碳原子组成的圆柱体,其中一个特性就是具有很好的导电性。
5. In a laboratory vault outside paris is a small cylinder of platinumiridium alloy that serves as the standard for all mass measurements worldwide .
巴黎城外的一个玻璃罩里存放着一个铂铱合金圆柱体,这个圆柱体就是全世界测量物体质量的参照标准。