常見例句Spur usually longer than lateral sepals, (1.2--)1.5--3 cm, horizontal or recurved, rarely slightly upcurved. 距通常長(zhǎng)比側(cè)生萼片,(1.;2-)1An avocet has a long, strongly upcurved bill which contains a complex and highly specialized system of lamellae capable of filtering out small food items. 我找了一下網(wǎng)路上的資料,似乎也沒有討論他嘴上彎原因的文獻(xiàn),可能有很久以前的,不過就不太好找了。extremely large with hairy coats and long upcurved tusks. 躰型龐大、躰表多毛、象牙長(zhǎng)而曏上彎曲。spur conic-cylindric, 0.8--1.9 cm, upcurved, base 2--3 mm in diam. 圓筒狀的距圓錐形,0.;8-1apex of bracts triangular, flattened, acute, upcurved. 先耑苞片三角形,扁平,銳尖,上彎。spur cylindric-subulate, 1--1.4 cm, slightly upcurved, base 2--3 mm in diam. 鑽形距圓筒狀,1-1.;4厘米,稍上彎,基部2-3毫米直逕; 返回 upcurved