Bittered
vt. 使变苦（bitter的过去式与过去分词形式）
🗣️ 情景例句
Is smoking allowed on the train?
火车上允许吸烟吗？
It's time for dinner.
该吃晚饭了。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。