Sphaeraster
球星型(海绵)
🗣️ 情景例句
I don't have time to take any elective classes.
我没有时间去上任何选修课。
They must hunger in frost that will not work in heat.
少壮不努力，老大徒伤悲。
I like looking after my sister's baby, but my sister doesn't let me do it.
我喜欢照看我姐姐的孩子，但我姐姐却不让我做这事。