Polyenanthoamide
聚庚酰胺
🗣️ 情景例句
Can you confirm that the meeting is at 9:00 a.m.?
你能否确认一下，开会的时间是早上9点吗？
I wish to express my gratitude to you for your cooperation.
我要对你的合作表达感激之意。
After they had entered the house, they went into the dining room.
他们进到屋里后，走进了饭厅。