🧩 词语组成解析
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
Well, put something else on.
嗯，换一件吧。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。