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- Results: In the experiments on contractility of the left atria XT and Verapamil(Ver) significantly depressed the positive staircase phenomena, which was reversed by Ver but not by XT. 钙通道阻滞药维拉帕米对正阶梯现象的抑制作用较XT为强,并可使正阶梯现象翻转,但对静息后增强效应无明显影响。XT对哇巴因的正性肌力作用及随后出现的心肌收缩力降低的毒性反应均有明显的对抗作用。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- We heard his heavy tread on the staircase. 我们听到了他走在楼梯上沉重的脚步声。
- I hear someone coming down the staircase. 我听到有人下楼梯。
- He stumbled on the staircase and hurt his leg. 他在楼梯上绊了一跤，伤了腿。
- We must redecorate the staircase. 我们得把楼梯重新装饰一下。
- You can go up the staircase on the right. 你可以从右边楼梯上去。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- One of the vertical supports of a handrail on a staircase. 楼梯栏杆小柱楼梯扶手的垂直支撑之一
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- This charge is a positive charge. 这个电荷是正电荷。
- There is a white-spindled staircase leading to the pulpit. 有一个白色纺锤形的阶梯通往讲道坛。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- He has a positive attitude towards life. 他对生活持有积极的态度。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- Are you positive that you saw him? 你肯定你看到他吗?
- The gallery is terminated by a staircase. 走廊尽头是楼梯。
- A vertical support at the center of a circular staircase. 螺旋楼梯中柱环行楼梯中间的垂直支撑
- One of the steps of a winding staircase. 斜踏步转弯的楼道处的一个梯阶
