Pyrazolidinyl
吡唑烷基
🗣️ 情景例句
What events are happening on campus?
校园里有什么事件发生？
This is a very pleasant restaurant.
这里是令人舒适的餐厅。
When Christ was born nearly two thousand years ago, many people, rich and poor, gave him presents.
大约2000年前基督出生时，许多人，不论穷富，都给他礼物。