I don't think a deep enough dive has gone into their history, especially when it's a firearm of that caliper.

我不认为人们会对他们的历史进行足够深入的研究，特别是当这是一把武器时。

The boy was as thin as calipers.

这个得两。

With the suspicious attentionof a diamond merchant he examined the banana meticulously, dissecting it with a special scalpel, weighing the pieces on a pharmacist's scale, and calculating its breadth with a gunsmith's calipers.

带着钻石商人的怀疑态度， 他仔细检查了香蕉，用专用手术刀将其切开， 在药剂师的天平上称量碎片， 并用枪匠的卡尺计算其宽度。