In one particular inherited disease, sickle cell anaemia, the red blood cells, instead of being flat discs, are sickle shaped.
在一种特殊的遗传疾病镰形细胞贫血症中，红血球不是圆盘状而是镰刀状。
Deinonychus, or "terrible claw" after the sickle-shaped talon on each hind foot, stood about 11 feet from head to tail and was a lithe predator.
这种被称为恐爪龙(Deinonychus)的恐龙后足上存在镰刀般的利爪，从头到尾的身长约为3.3米，是一种非常敏捷的掠食者。
Common thorny tropical American tree having terminal racemes of yellow flowers followed by sickle-shaped or circinate edible pods and yielding good timber and a yellow dye and mucilaginous gum.
热带美洲的一种普通带刺乔木，黄色花，总状花序，镰刀状可食荚果，可产生优良木材，黄色染料和粘性胶。
A sickle-shaped creature was darting toward Chimney Rock, two sandstone pinnacles that cap a long, narrow rock platform.
一只状如镰刀的精灵箭一般地飞向烟囱岩。烟囱岩是两截尖锥形砂岩，如帽子形状盖在一个狭长的岩石台基上。
Any of various small, slender Marine worms of the phylum Chaetognatha having a narrow, almost transparent body and sickle-shaped bristles on each side of the mouth.
一种毛颚动物门中的，细小的海生虫，有细长几乎透明的身体，嘴的两侧有镰刀形的毛须。
Any of various small, slender Marine worms of the phylum Chaetognatha having a narrow, almost transparent body and sickle-shaped bristles on each side of the mouth.
一种毛颚动物门中的，细小的海生虫，有细长几乎透明的身体，嘴的两侧有镰刀形的毛须。
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