Alleles
n. 对立形质；等位基因；对偶基因（allele的复数）
🗣️ 情景例句
The village was filled with people--the weather was so nice.
镇上挤满了人--因为天气好的缘故。
Good taste.
有眼光！
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是学一点英语，毕业后，也会发现它是有用的。