1. respond vt.回答,响应
例句:He did not respond to her advances.
他对她的友好表示无动于衷。
2. boost vt.增加; 促进,提高
例句:Last month saw a tremendous boost in sales.
上个月的销售额激增。
3. intervene vi.阻碍; 出面; 插嘴
例句:Let such trifle not intervene between us.
不要让这样的小事介入我们之间。
4. appear vi.发表; 出现
例句:I have to appear in court on a charge of drunken driving.
我被控告醉酒驾驶而要出庭受审.
5. affect vt.影响; 假装
例句:Drops of water affect roundness.
滴水成珠。