Boldine
[化] 波尔定碱\\n[医] 波耳丁, 波耳多甙
🗣️ 情景例句
How many courses are you taking this semester?
这学期你选了多少课？
I sometimes stay up till midnight.
我有时候熬到半夜。[一般现在时]
He noticed that the straight part of the dance was different in the afternoon from what it had been in the morning.
他注意到下午舞蹈的直线部分与上午的不一样。