Gallocyanine bd (or w,dh)
[化] (商)┢菁BD(或W,DH)
🧩 词语组成解析
[化]花青
[计] 空白显示, 框图, 布尔差分
🗣️ 情景例句
He is a college drop-out.
他从大学辍学半途而废。
He is pinned down by the demonstrators.
他被示威的队伍给钉住了。
But when table, penholder and paper are all moving, how is it possible to write legibly?
可是，当桌子、夹笔装置、纸都在移动时，怎么能书写得清楚呢？