Lecithid
蛇毒溶血卵磷脂
🗣️ 情景例句
Is there a limit to how many I can purchase at this price?
我买这种东西在数量上有什么限制吗？
Good-bye, cruel world.
永别了，残酷的世界啊。
We don't need it until next month.
我们要到下个月才用得着。