Pentabromobenzene
五溴苯
🗣️ 情景例句
Compliments of the Watermill Inn. Watermill Inn
请客。
The best physicians are Dr. Diet, Dr. Quiet,and Dr. Merryman.
节食博士，静心博士，欢喜博士，三者都是最好的医师；饮食少，休息好，快乐多是却病延年之方。
Thanks very much. Bye.
太谢谢你了。再见。