Please write in the answers with black ink.

请用黑色墨水写入答案。

The American dollar bill is colored with black ink on one side and green on the other.

美元钞票一面用黑色墨水涂色，另一面用绿色。

Letters should be written in black or blue - black ink on letter - paper.

信件应该用黑色或蓝黑色墨水写在信纸上.

Please complete every item in block letters and in black ink.

请用黑色墨水笔或原子笔,以正楷填写各项.

Here's why you need 12,000 samples of, let's be honest, mostly black ink.

下面就是为什么我们需要12000种墨水的原因，老实说，大部分都是黑色墨水。

Printers used black ink made of a mixture of lamp soot, turpentine, and walnut oil.

印刷机用的黑色墨水是由灯烟灰、松节油和胡桃油混合制成。

Please complete the application form in black ink and in Chinese or English block letters.

请你用黑色墨水笔或原子笔，并以中文或英文正楷填写表格。

Please use black ink or ball-pen to complete in English or Chinese. Attach extra sheets, if necessary.

请用黑色墨水或原子笔及用英文或中文填写。如空格不够填写，请另附纸。

Visa or Residence Permit Application Form(fill out in black ink) and one recently-taken 2-inch hatless full- face color photograph.

《外国人签证、居留许可申请表》（用黑色墨水笔填写）及申请人近期二寸半身正面免冠彩色照片一张。

The appended drawings shall be made in black ink with the aid of drafting instruments. The lines shall be uniformly thick and well-defined, and shall not be altered.

附图应当用制图工具和黑色墨水绘制，线条应当均匀清晰，并不得涂改。