Aralkil
[机] 芳烷基, 芳代脂烷基
🗣️ 情景例句
Do you remember that old desk?
还记得这张旧桌子吗？
An empty sack cannot stand upright.
空麻袋，立不直。
One day, Mrs. King asked Lucy to go shopping for her.
一天，金太太叫露西帮她去买东西。