Placentolysin
胎盘溶素
🗣️ 情景例句
I hear Boswell
我听说Boswell
Thank you for coming to see me off.
谢谢你来为我送行。
I'm planning to start a school, so I'm trying to save as much money as possible.
我计划开办一所学校，因此我在设法尽可能地多攒钱。