Ubelin
胞胆碱, 胞二胆磷碱
🗣️ 情景例句
Concerned about whom?
为谁担心
The committee adjourned to a larger hall.
该委员会将会议移至大一些的会议厅举行。
How are you getting there? By train?
你准备怎样走？坐火车去吗？