Lecithid
蛇毒溶血卵磷脂
🗣️ 情景例句
It works!
有效！
Are you watching TV now?
你在看电视吗？
As the play draws to its close, they wonder whether they will ever catch that last train home.
当戏快演完时，他们又为是否能赶上末班火车回家而犯愁。