Coumarins
[医]香豆素类，香豆精类
🗣️ 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
She was sentimentally attached to this house,
她对这幢房子在感情上难舍难分。