Placentolysin
胎盘溶素
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
We waved until the car was out of sight.
我们挥手直到汽车消失。
I had an amusing experience last year.
去年我有过一次有趣的经历。