Polypetipe
缩多氨酸
🗣️ 情景例句
Littering makes the city look like a garbage dump.
随地乱扔垃圾使城市看起来就像个大垃圾堆。
Whom will you invite to the meeting?
你将邀请谁参加会议？
To their surprise, the precious parcel was full of stones and sand!
令他们吃惊的是，那珍贵的包裹里面装的全是石头和沙子！