| 释义 | 
             
                biological halff life period
                
            生物战shēng wù zhàn 
 biological warfare基期jī qī 
 base period结算期jié suàn qī 
 accounting period; settlement period; calculation period安全期ān quán qī 
 safe period寒武纪hán wǔ jì 
 cambrian period宽限期kuān xiàn qī 
 grace period旺汛wàng xùn 
 best fishing period帧周期zhēn zhōu qī 
 frame period生物学的shēng wù xué de 
 biologic, biological时代shí dài 
 times; age; era; epoch; a period in one's life白垩纪bái è jì 
 the Cretaceous period聘期pìn qī 
 employment period; employment term旬xún 
 a period of ten days救命jiù mìng 
 save sb.'s life围产期wéi chǎn qī 
 perinatal stage; perinatal period饶命ráo mìng 
 spare sb.'s life生平shēng píng 
 all one's life使用寿命shǐ yòng shòu mìng 
 service life; useful life; working life繁殖期fán zhí qī 
 idiophase; reproduction period; breeding season捐躯juān qū 
 sacrifice one's life舍命shě mìng 
 risk one's life无期徒刑wú qī tú xíng 
 life, life imprisonment今生jīn shēng 
 this life潦倒的生活liáo dǎo de shēng huó 
 dog's life玩命wán mìng 
 risk one's life needlessly
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