Kallikreinogen
激肽释放酶原
🗣️ 情景例句
He has the advantage of a good education.
他有受过良好教育的优势。
All are brave when the enemy flies.
敌人逃跑时，个个都勇敢。
Debbie intends to take short rests every two hours.
黛比计划每两小时休息一下。