Aphylline
[化] 毒藜素; 无叶假木贼碱
🗣️ 情景例句
Thank you. Would you like something to drink? A cup of coffee?
谢谢。你想喝点儿什么？来杯咖啡吗？
How long does it take?
火车要开多久？
He is only about five feet high.
他大概只有五英尺高。