a protective covering or casing for a tire, often made of rubber, that encases the wheel of a vehicle.

タイヤの保護カバーまたはケース。通常はゴム製で、車両の車輪を覆う

a term used in marine biology to describe a type of mollusk with a hard, protective outer shell.

硬い保護外殻を持つ軟体動物を指す海洋生物学用語