His [breathing]was steady.

[单选题]His breathing was [steady].A.regularB.usualC.commonD.ordinary

[问答题] 简述稳态(steady-state)的概念

[名词解释] 稳态血药浓度（steady – state plasma-concentration，Css）

[单选题]The last half of the nineteenth century( )the steady improvement in the mea

[单选题]The last half of the nineteenth century( )the steady improvement in the mea

[单选题]The last half of the nineteenth century( )the steady improvement in the mea

[单选题]The last half of the nineteenth century( )the steady improvement in the mea

The economic ______ for the next year looks promising, with a steady increase in

The ancient Chinese system of sports, which combines slow movements with deep br

If you are a living, breathing human being, you have probably suffered the agony