number
[名词]
a word, sign, or symbol that represents a specific quantity or amount

号码, 数字
Ex: The street address and house number are essential for accurate mail delivery .街道地址和门牌**号**对于准确的邮件投递至关重要。
email
[名词]
a system that is used to send and receive messages or documents via a network

电子邮件, 电邮
Ex: We use email to communicate with our colleagues at work .我们使用**电子邮件**与工作中的同事交流。
phone number
[名词]
the number used for calling someone's phone

电话号码
Ex: The phone number for customer service is printed on the back of the product .客户服务的**电话号码**印在产品的背面。
three
[数词]
the number 3

三, 数字三
Ex: I have three favorite colors : red , blue , and green .我有**三**种最喜欢的颜色:红色、蓝色和绿色。
seven
[数词]
the number 7

七, 数字七
Ex: My sister has seven colorful balloons for her party .我妹妹为她的派对准备了**七**个彩色气球。
eight
[数词]
the number 8

八, 数字八
Ex: Look at the eight colorful flowers in the garden .看看花园里那**八**朵五彩缤纷的花。

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