sag·it·tate /ˈsæʤəˌtet/
(a.)鏃型的,箭頭形的
Sag·it·tate a. Shaped like an arrowhead; triangular, with the two basal angles prolonged downward.
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sagittate
adj : of a leaf shape; like an arrow head without flaring base
lobes [syn: sagittiform, arrow-shaped]