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n. 斯梅尔（姓氏）；简讯邮件（手机发送电子邮件业务）
🗣️ 情景例句
Technology has totally changed our life over the past two decades.
在过去的二十年里，科学技术已经完全改变了我们的生活。
What is done by night appears by day.
若要人不知，除非己莫为。
For the first time in his life, he became the proud owner of a bed which had springs and a mattress.
他平生第一次自豪地拥有了一张既有弹簧又带床垫的床。