Ultrafilter
n. 实验室中使用的高度精密过滤器\\nv. 用过滤器过滤
🗣️ 情景例句
All I do is study and take exams.
我要接受所有的学习和考试。
She is the most gracious hostess I have ever known.
她是我所见过的最和蔼的女主人。
At first I thought I'd done the right thing, but I soon realized that I'd made a mistake.
开始我以为我做对了,但是很快就发现自己犯了个错误。
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