n.【医】【=tacheometer】转速计，血流速度计

Can you hear that? It sounds like a car engine."
"你能听到那个声音吗？听起来像是汽车引擎的声音。"
The mechanic told me my car needed a new tachometer."
"机械师告诉我我的车需要一个新的转速表。"
I always keep an eye on the tach when I'm driving in traffic."
"我在交通拥堵时总要留意一下转速表。"
He was able to diagnose the problem by checking the tach readings."
"他通过检查转速表读数诊断出了问题。"
The tach is an essential instrument for any car enthusiast."
"转速表是任何车迷必备的工具。"
I need to replace the old tach with a new one for better accuracy."
"我需要更换旧的转速表为新的以提高精度。"
The tach on my motorcycle is a bit off, so I might need to adjust it."
"我的摩托车转速表有点不准，所以我可能需要调整一下。"
When I first learned to drive, I struggled to keep the tach at the right level."
"当我第一次学开车时，我很难将转速表保持在正确水平。"
She was proud of her son for fixing the faulty tach himself."
"她为儿子自己修理了故障的转速表而感到自豪。"
In the race, he maintained a high tach throughout, showing his skill."
"在比赛中，他始终保持高转速，显示了他的技能。"