信箱；

1. 信箱：Ø 信箱(Letter Box)模式DSD(Direct Stream Digital)技术,较传统的CD音质显著提高,所谓DSD是以索尼开发的高速1 bit Delta Sigma A/D转换器输出,直接可以写录,不必经过一般多位元PCM编码转换过程,

2. letter box

2. 信报箱：相框 photo frame | 信报箱 letter box | 修改胶带 correction tap

3. 911查询·英语单词

3. 尺寸设定：crop剪裁 | letter box尺寸设定 | resize改变尺寸

4. danci.911cha.com

4. 信箱(铁)：抹布 CLEANING RAG | 信箱(铁) LETTER-BOX | 电笔 ELECTROPROBE

1. a private box for delivery of mail

    Synonym: mailbox

2. public box for deposit of mail

    Synonym: postboxmailbox

3. a numbered compartment in a post office where mail is put to be called for

    Synonym: Post-Office boxPO BoxPOBcall box