safety
英 ['seɪftɪ]
美['sefti]
	    - n. 安全;保险;安全设备;保险装置;安打
 
英英释意
- 1. the state of being certain that adverse effects will not be caused by some agent under defined conditions;
 - "insure the safety of the children"
 - "the reciprocal of safety is risk"
 
- 2. a safe place;
 - "He ran to safety"
 
- 3. a device designed to prevent injury
 
- 4. (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely
 
- 5. contraceptive device consisting of a thin rubber or latex sheath worn over the penis during intercourse
 
- 6. a score in American football; a player is tackled behind his own goal line