🗣️ 情景例句
They had a special on frozen fish down at the supermarket.
超级市场 冷冻鱼特价。
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。