ab·ax·i·al /(ˌ)æˈbæksiəl/ 形容詞
離軸的
Ab·ax·i·al Ab·ax·ile a. Bot. Away from the axis or central line; eccentric.
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abaxial
adj : facing away from the axis of an organ or organism; "the
abaxial surface of a leaf is the underside or side
facing away from the stem" [syn: dorsal] [ant: adaxial]