After seven days, it was time to take the next step: transplanting the scaffolds into living hearts.
After seven days, it was time to take the next step: transplanting the scaffolds into living hearts.
七天后，是执行下一步骤的时候了：将支架移植回活体心脏。
After seven days, it was time to take the next step: transplanting the scaffolds into living hearts.
七天后，是执行下一步骤的时候了：将支架移植回活体心脏。