1. appear vi.发表; 出现,显现
例句:They appear to be very sensitive to mildly corrosive environments.
它们似乎对轻度的腐蚀环境非常敏感。
2. reduce vt.减少; 缩小; 使还原
例句:It reduces the risks of heart disease
这降低了患心脏病的风险。
3. describe vt. 叙述; 描写,形容
例句:Let me describe to you more detail.
让我来向你做更详细的讲述。
4. discussion n.讨论,谈论; 详述
例句:There was a lot of discussion about the wording of the report
关于此则报道的措辞议论纷纷。