“naturally occurring”造句，怎麼用naturally occurring造句

A naturally occurring sweetener, xylitol had primarily been known in Finland for its effectiveness in preventing tooth decay.

Rhenium (re) : the last of the naturally occurring elements to be discovered, this silvery metal is used in small amounts with nickel in jet engines.

An interesting choice being investigated by the team is a membrane that contains the naturally occurring F1 and F0 motors of the ATP-Synthase.

Radon is a chemically inert, naturally occurring radioactive gas without odour, colour or taste.

Radon is a chemically inert, naturally occurring radioactive gas. It has no smell, colour or taste.

Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.

Back then they were made of naturally occurring objects - coconuts, sea shells, hollow stones or similar objects filled with moss or a similar material that was soaked with animal fat and ignited.

Arsenic and lead are also naturally occurring metallic elements that have varieties of USES in industry from insecticides to electronics.

Hardseedness is a naturally occurring phenomenon for many plants, especially leguminous species.

A naturally occurring substance found in plants, animals and humans, squalene is synthesized in the liver and circulates in the human bloodstream.