Pentabromide
五溴化物
🗣️ 情景例句
Nowadays many young people cohabit together without legal permission.
如今很多年轻人未获得法定允许就一起同居了。
Quality is even more important than quantity.
质量比数量更为重要。
Whether they will ever become future Olympic champions, only time will tell.
他们将来是否能成为奥林匹克的冠军，这只能由时间来作出回答。