The tools have easy grip handles.They are very sensory friendly.

工具有简单的抓。它们对感官好。

Crinoids became the most abundant echinoderms of the Ordovician, and some were the ancestors of today's stalkless feather stars and stalked sea lilies.

海百合成为奥陶纪最丰富的棘皮动物，有些是今天无羽星和有海百合的祖先。

A pollinium, when highly developed, consists of a mass of pollen-grains, affixed to an elastic foot-stalk or caudicle, and this to a little mass of extremely viscid matter.

高度发育的花粉由大量花粉粒组成， 附着在有弹性的足上， 而这又是一小团极其粘稠的物质。

A sickle has a longer handle and a larger blade, so think of a scythe as big daddy's death, and a sickle as a gift for his firstborn's, first birthday.

“Sickle”有更长的和更大的刀片，所以把“Sickle”看作死亡的象征，而“scythe”是给他第一个孩子的生日礼物。