书信

书信 [shū xìn]

1. ■ letter; written message:

书信格式 form of a letter;

商业书信 business correspondence;

和 ...书信不断 be in constant correspondence with ...;

包裹内不得夹带书信。 The package carries no written message.

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常用词组

1. ■ 书信电 letter cable