Osteotropic
促骨的
🗣️ 情景例句
Have a go at it.
你来试一试。
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。