Tca
[医] 三羧酸
🗣️ 情景例句
Well! Nice restaurant.
嘿， 这是一家好餐厅。
As soon as she quit the room he returned to it.
她刚离开房间，他回来了。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。