As a newly commissinaed infantry1（步兵） lieutenant2, I was eager to set an example for my platoon（排，团） by cleaning my own M|16 rifle. While we were working on the weapons, one soldier complained about the unusual notched3（有缺口的） shape of the M|16's bolt and chamber4, which makes it difficult to clean.
Lieutenant, they need to make something to clean this with, the soldier said.
They do, piped up（开始吹奏，高声说话） a sergeant5.
Really, I said with surprise, wondering why we had not ordered such a tool.
Yes, sir, replied the sergeant. It's called a soldier.
