1. a degree or grade of excellence or worth;

   "the quality of students has risen"
   "an executive of low caliber"
   

2. diameter of a tube or gun barrel

1.(尤指突出的)才干，能力，智力
Thecalibre of a person is the quality or standard of their ability or intelligence, especially when this is high.

e.g. I was impressed by the highcalibre of the researchers and analysts...
研究人员和分析人员的高素质给我留下了深刻印象。
e.g. It became apparent that we could never get thecalibre of people we wanted.
显然,我们永远无法得到我们想要的那种杰出人才。

2.（尤指良好的）品质,质量,质地
Thecalibre of something is its quality, especially when it is good.

e.g. The quality of his character and the caliber of his accomplishments produced a lasting influence...
他的优秀品格和卓越成就影响深远。
e.g. Thecalibre of teaching was very high.
教学质量很高。

3.(枪、炮的)口径
Thecalibre of a gun is the width of the inside of its barrel.

calibre

e.g. ...a .22calibre rifle.
口径为0.22英寸的步枪
e.g. ...a small-calibre pistol.
小口径手枪

1. 管径,口径：calibrator-orifice 校准孔口 |calibre 管径,口径 | calico bandage 白布绷带

2. 口径：calibration curve 校准曲线 |calibre 口径 | caliche 生硝

3. 口径,直径：calcium 钙 |calibre 口径,直径 | campaign 战役;运动

4. 测径器;规：calibre insert 保径镶齿 |calibre 测径器;规 | caliche nodule 钙质结核