最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
The reliable production of usable energy through the controlled fusion of hydrogen atoms into helium remains an elusive dream: even the most ardent efforts to achieve it have thus far been_______.
- A.concealed
- B.debated
- C.thwarted
- D.maligned
- E.veiled
- F.frustrated
C,F显示答案
以上解析由 考满分老师提供。
