Note: The Application must be filled out in black or blue-black ink with neat writing.

注：本申请表应用黑色或蓝黑色钢笔、签字笔填写，字迹应清楚。

youdao

According to its chemical com-position and its usage, it can be divided into blue-black ink? Dye ink? Carbonic ink and some other ink.

根据化学成分及用途的不同，可分为蓝黑墨水、染料墨水、碳素墨水及其他墨水。

youdao

Sign the cover letter with a blue or black ink pen.

用蓝色或黑色水笔在求职信上签名。

youdao

Remember, you may be a supply clerk, the kind who couldn't remember whether you ordered pens with blue ink or black ink -- but you can be a god for ten minutes when you make your own soda.

ENGADGET: Switched On: The rules of Soda Club (Part 1)