Anthrazine
[化] 二蒽并[1,2-1',2']哒嗪
🗣️ 情景例句
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
A cock is valiant on his own dunghill.
夜郎自大。
'You needn't have said that,' my wife answered.
“你没必要这么说，”我妻子回答说，