Trogodermal
甲基十六碳烯醛
🗣️ 情景例句
Are we scheduled to leave on time?
飞机准时起飞吗？
Every tree is known by its own fruit.
观其言行，知其为人。
Later we learnt that there was a very important person on board.
后来我们才得知，飞机上坐了一位非常重要的人物。