writing ink [轻] 墨水
invisible writing ink [印刷] 隐显墨水
lithographic writing ink 描写墨
blackboard writing ink 黑板书写墨水
alkyl polyglucoside writing ink 烷基多糖苷书写墨水
WRITING INK BLACK 墨水黑色 ; 写作墨黑色
APG writing ink 烷基多糖苷书写墨水
ink writing oscillograph 记录示波仪
graphite writing ink 石墨书写墨水
I am writing in violet ink.
我正在用蓝色的墨水写字。
youdao
In China, writing brushes, ink sticks, paper and ink stones are called the Four Treasures of Study.
在中国，毛笔、墨、纸和砚台被称为文房四宝。
The ink stick is the pigment (颜料) used in writing and painting.
墨棒是用于书写和绘画的颜料。
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