Micromutation
小突变
🗣️ 情景例句
I believe stamp collecting is an interesting hobby.
我认为收集邮票是一种有趣的爱好。
Children enter primary school at the age of 7.
孩子们7岁进小学。
Though the new rudder was fitted at tremendous speed, it was impossible for the Cutty Sark to win.
尽管换装新舵时分秒必争，但“卡蒂萨克”号已经不可能取胜了，