Childlessness
n. childless（无子女的）的变形
🗣️ 情景例句
to work with Dad towards solving that problem?
和爸爸一起来解决这个问题怎么样？
I suggest that you tear up the letter and start over again.
我建议你撕破信再来一遍。
We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders.
我们要十分感谢那些吃昆虫的鸟和兽，然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。