A check of urine specific gravity at the time of admission of an acute asthmatic will invariably show a state of severe water retention with high urinary specific gravity . 此时检查急性气喘病患者的尿比重，将发现他们都处于水潴留与尿比重高的状态。
Amendments made at the time of national phase entry 在进入国家阶段进行的修改。
Their average age at the time of the study was 26 进行研究时的平均年龄是26岁。
The world at the time of the four great river civilizations 四大河文明时期的世界
Why do you see the light at the time of initiation 印心的时候为什么你们看到光？
Their average age at the time of the study was 26 到现在得年龄他们平均26岁。
The tax is withheld at source at the time of payment 支付单位在支付时候代扣代缴。
Who was behind the wheel at the time of the accident 事故发生时，谁坐在驾驶席上？
Passport fee is payable at the time of application 护照费用须于递交申请书时缴付。
