Botallackite
羟氯铜矿
🗣️ 情景例句
Hope to be a bigger help on the new community-center project.
希望能在新社区中心这件事上提供更大的帮助。
Hello, This is operator.
喂！我是接线员。
It's just the matter of the schedule,that is,if it is convenient of you right now.
如果你们感到方便的话，我想现在讨论一下日程安排的问题。