Leakproofness
密闭度
🗣️ 情景例句
Were you here last time on his birthday party?
上次你有没有参加他的生日舞会？
I'm Henry Lee. I am a system engineer for IBM.
我叫亨利.李，是IBM的一名系统工程师。
family, finances and what you want from your investments.
家庭、财源和你想从投资中获得的好处的信息。