Pfn
页帧号,页面号
🗣️ 情景例句
You've been very thoughtful.
你一直都很周到。
An old physician, and a young lawyer.
医生年老的好，律师年轻的俏。
Is it a black cat with one white ear and two white legs?
是那只长着一只白耳朵和两条白腿的黑猫吗？