Aquometer
蒸汽吸水机
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
When did this happen?
这件事情什么时候发生的？
They were expecting their sixth child and were faced with even more pressing economic problems.
第6个孩子即将问世，他们面临着更为严峻的经济问题。