Mutations
n. [遗] 突变；变化；转变（mutation的复数形式）
🗣️ 情景例句
What's the matter, Susan?
怎么了， Susan？
The children were thrilled with joy at the sight of the parade.
孩子们看到游行队伍时异常兴奋。
What's the matter, Andy?
怎么了，安迪？