Perhydrocyclopentanophenanthrene
环戊烷多氢菲
🗣️ 情景例句
Tell the truth.
告诉我实话。
That's more like it!
这才像话嘛！
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。