1.
When a fire fighter is killed, it is usually becaue the fire has been burning a long time, causing a wall to fall down while the fire is being fought.
消防员通常是因为火灾延续时间过长，救火时遇到墙壁倒塌而被烧死的。
2.
prolongation of delay
迟延接续时间的延长
3.
Numerical Simulation of Fire Smoke Spread in Large Space Building;
大空间建筑火灾烟气蔓延的数值模拟
4.
duration of germinating ability
种子发芽力延续时间
5.
heating period of the engine
发动机加热延续时间
6.
lengthen or extend in duration or space.
延长或者在持续时间或者空间上延伸。
7.
The Fire Growth and Spreading Characteristic Research of Unfixed Fire Loads in Large Space Buildings;
大空间建筑内活动火灾荷载火灾发展及蔓延特性研究
8.
"To extend or continue in space, time, or degree."
在空间、时间或程度上延伸或持续.
9.
From... onbstarting at the specified time and continuing for an indefinite period
从所述的时间开始而延续的期间未定
10.
lower limit of response time of heat detector
感温火灾探测器响应时间下限值
11.
An accidental fire remains isolated for a sufficient period to permit the occupants to escape.
意外发生的火灾可继续地被隔离一段足够长的时间，使得居民能够逃脱。
12.
For a short while, this staves off fire.
在短时间内这可延缓着火。
13.
The time to plan for a fire emergency is before it happens.
布置应付火灾紧急情况的时间应在火灾发生以前。
14.
The fight lasted a long time.
这次战斗延续了很长的时间。
15.
Both last and take are concerned with duration.
last 和take都涉及时间的延续.
16.
The duration of a vowel.
音延，音长元音发音的持续时间
17.
relating to or extending over a relatively long time.
涉及或延续相对较长时间的。
18.
This negative pressure phase is of short duration.
负压周期的延续时间很短。