- 1.The message contains Unicode characters and has been sent as a binary attachment.
这条信息含有统一码字符，已经以二进制附件形式发送。
dict.yoduao.com - 2.When you send an e-mail you can also send a file as an attachment and that file can be a graphic, a program, a sound or whatever.
当发送电子邮件时，你还可以把一份文件作为附件发送，该文件可以是图片、程序、或声音文件等。
dict.yoduao.com - 3.For simplicity, use only one attachment for our test.
为方便起见，我们的测试仅使用一个附件。
dict.yoduao.com
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