Dithioacid
二硫代羧酸, 荒酸
🗣️ 情景例句
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
This is a rather old house. It needs painting.
这房子挺旧的，得刷一下才行。
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。