personal flotation device

名词 n.

英文释义

名词 n.
  1. A life vest or other device or article of clothing designed to be used by one person as an aid to remaining safely afloat in water, especially in an emergency situation.
    — Under the new personal flotation device regulations, boats 16 feet and longer must have one wearable type flotation device on board the boat for each person.

词形变化

0 次浏览 数据来源: Wiktionary