“trefoil”可以造什么句，trefoil造句

The trefoil is the simplest knot in mathematicians' classification.

The eight of clubs, for instance, represented a huge tree bearing eight enormous trefoil leaves, a sort of fantastic personification of the forest.

The development of biotechnology has made it possible to breed a new variety of alfalfa which can grow in acid land by protoplast fusion of alfalfa and birdsfoot trefoil.

Why is bird's foot trefoil so called?

An indehiscent legume as of the tick trefoil usually constricted between the seeds and separating at maturity into one-seeded segments.

The longer the length of trefoil polypropylene filament fiber, the better the anti-dry-shrinkage cracking property of cement mortar.

In October 1519, for instance, Babur rode out to Istalif with friends: “Its lawns were one sheet of trefoil; its pomegranate trees yellowed to autumn splendour, their fruit full red.”