🧩 词语组成解析
n. 美国文物；美国文献
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
I took off my coat.
我脱下了我的外套。
I had to sit up all night writing the report.
我不得不熬通宵写报告。