Polycoumarone
[化] 聚香豆酮; 聚氧杂茚
🗣️ 情景例句
OK. Considering this point and the large quantity you ordered,
好吧。考虑到这个原因以及你们订货数量大，
To chirr...chirrup...chirr
唧唧地叫
Manners are quite different from country to country.
各国的礼仪各不相同。