Steranthrene
[化] 立蒽
🗣️ 情景例句
Stay on that road, and you'll cross a blue bridge.
沿着路开下去 ，你会经过一座蓝色的桥。
What have you decided?
你决定了什么？
When he woke up, he was still on the mattress.
他醒来时，仍然躺在床垫上。