Pentabromophenol
五溴苯酚
🗣️ 情景例句
Our fiftieth reunion?
是我们的五十年重聚？
This is the schedule for tomorrow.
这是明天的日程安排。
Tricycles are lined up on the floor of the pool seven feet under water.
三轮车并排放在7英尺深的游泳池底上。