Retusidae
囊螺科
🗣️ 情景例句
Yes, Charles Maxwell.
是的， 我是Charles Maxwell。
To follow her naughty brother
追赶顽皮刁钻的弟弟
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。