更多contractile例句

1. Waste nitrogenous products formed within the cell when work is done are passed out by means of the contractile vacuole.
2. In another one-celled animal called vorticella, part of the cell has become elongated and is contractile.
3. The body of the Uterus is formed of a very dense, gray colored, muscular substance, possessing astonishing contractile power.
4. The supple and contractile segments of the chrysalis serve for the limbs which are wanting to it.
5. Rostrif′era, a suborder of gasteropods, with contractile rostrum or snout.