Comesa
氨甲酸甲戊炔酯
🗣️ 情景例句
Well, I've got an appointment at the hospital.
好啦， 我在医院有事。
What nerve!
脸皮真厚！
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。