E. b.
[医] 血小板, 原生小体
🧩 词语组成解析
[医] 电子\\n[经] 东
🗣️ 情景例句
We were together in the Thursday night drama society.
我们过去总在星期四晚上的话剧社团聚会。
Don't you think we should add a sentence here like this?
难道你不觉得我们应该在这儿加上一句话？
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。