adv. etymologically
发表演说的讲台与松鼠、老鼠、海狸之间存在着语源上的联系。
There's an etymological connection between the platform upon which speeches are made and squirrels, rats and beavers.
youdao
which means "a race course" and etymologically "a career."
意思是“跑道“或从语源学上讲“一项事业“
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