life-belt 救生圈 ; 救生带图片
life-belt shelp 救生圈架
cork life-belt 救生衣
rubber life belt 橡皮圈
inflatable life belt 气胀救生带
BELT LIFE 传送带寿命 ; 传动带寿命
V-belt life V带寿命
以上来源于: WordNet
N-COUNT A lifebelt is a large ring, usually made of a light substance such as cork, which someone who has fallen into deep water can use to float. 救生圈 [英国英语]
The portable life belt provided by the invention has small volume and can be carried conveniently as the gas-bag belt length can be regulated according to waistline of users;
本发明提供的一种便携式救生带，体积小，携带方便 ，可根据使用者的腰围调节气囊带长度；
The fact I was wearing a seat belt saved my life.
我系着安全带，幸免于难。
Paradoxically, while the temperatures required for liquid water exist only in the inner solar system, the key building blocks of life, including water itself, occur primarily beyond the asteroid belt.
矛盾的是，虽然液态水所需的温度只存在于太阳系内部，但生命的关键组成部分，包括水本身，却主要存在于小行星带之外。
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