◎ 砧骨 zhēngǔ[incus] 哺乳动物耳中三个小骨链的中间一个-----------------国语辞典:中耳内小骨之一。形状类似铁砧,能将鼓膜的振波传至内耳的耳蜗。英语 incus or anvil bone of middle ear, passing sound vibration from malleus hammer bone to stapes stirrup bone
◎ 砧木 zhēnmù[stock] 植物嫁接时承受接穗的植株,如在酸枣上嫁接大枣,酸枣就是砧木-----------------国语辞典:植物嫁接繁殖时,生根于土壤内,且承接另一株枝条者,称为「砧木」。英语 rootstock (stem onto which a branch is grafted)