Intersystole
收缩间期
🗣️ 情景例句
What will the monthly payments be?
每月要付多少？
Packing will help push the sales.
包装有助于推销产品。
And if, with the decay of vitality, weariness increases,
再者，随着精力的衰退，老年人的疲惫感会增长，