Pentapropyl
五丙基
??? 情景例句
You're just the man I want to see.
你正是我想見的人。
Habit is second nature.
習慣成自然。
When he went outside half an hour later, he was astonished to find the little black lamb was almost white.
半小時后，當他從屋里出來時，他驚奇地發(fā)現小黑羔羊全身幾乎都變成白色。