Rufol
[化] 1,5-二羟基蒽
🗣️ 情景例句
Hi.
嗨。
Does Karl hope to continue the relationship?
卡尔希望继续保持那种关系吗？
Though we all got out to examine the fissure, he remained in the car.
我们纷纷下车察看那个大裂缝，他却呆在车上。