trefoil造句

Why is bird's foot trefoil so called?

The trefoil is the simplest knot in mathematicians' classification.

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

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

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

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.

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.”