Science Life
Teens 点金
高考词汇
establish vt. 确定;证实
用法:establish that/whether/if…
I was never able to establish whether she was telling the truth.
attempt n. 努力;尝试
- 对本期电子报订户、有效期内的VIP教师会员和本学期高三尊享卡用户,我们开放所有内容:
- 如果您拥有以上权限,请点这里登录;
- 订阅电子报,请点这里;
- 激活VIP教师卡,请点这里;
- 激活21英语尊享卡,请点这里。