Difluoride
二氟化物
🗣️ 情景例句
How about $ 140 per case?
每箱140美元怎么样？
Where the deer is slain,some of her blood will lie.
鹿死总有血迹留。
Dimitri immediately went to Aleko's house and angrily accused him of stealing the lamb.
迪米特里立刻去了阿列科家，气呼呼地指责他偷了羔羊，