Pentabromide
五溴化物
🗣️ 情景例句
I've got plenty of time.
我有的是时间。
I couldn't believe my ears.
我真的不敢相信。
He waved desperately to his companion, who had been water skiing for the last fifteen minutes.
他绝望地向他的伙伴挥手，他的伙伴在过去的15分钟里一直在滑水。