Violanthrene
紫蒽
🗣️ 情景例句
The young couple started a family.
这对年轻的夫妇组成了一个家庭。
Where will you be nest year at this time?
明年这个时候你将在哪里？
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。