S.d.a.
[医] 特殊动力作用, 右骶前(胎位)
🗣️ 情景例句
He keeps himself fit by running 5 miles every day.
他每天跑五公里以保持身体健康。
Women have the same rights as you!
女人也和你一样享有同等权力！
I had an amusing experience last year.
去年我有过一次有趣的经历。