1、Letters should be written in black or blue-black ink on letter-paper.
信件應該用黑色或藍黑色墨水寫在信紙上。

2、Note: The Application must be filled out in black or blue-black ink with neat writing.
注：本申請表應用黑色或藍黑色鋼筆、簽字筆填寫，字跡應清楚。

3、a blue-black plant pigment having a blue-green alcohol solution
一種藍黑色植物色素，含有藍綠色酒精溶液。

4、Outside the window, a few cold stars shimmered in the blue-black sky.
窗外是青色的天空內(nèi)耀著幾點寒星。

5、Sparks appeared in the blue-black of space.
火花出現(xiàn)在藍黑的空間。

6、blue-black berries similar to American blueberries.
與美洲黑莓相似的藍黑色漿果。

7、The application shall be filled in with black or blue-black pen or sign pen with neat handwriting.
本申請書應用黑色或藍黑色鋼筆或簽字筆填寫，字跡應清楚。

blue-black翻譯