1. explain vt.讲解,解释
例句:He made up a story to explain why he was absent.
他编造了一个故事为他的缺席辩解。
2. qualify vt.(使) 具有资格; 有权; 达标
例句:He may have to qualify some goals.
他有时不得不修改某些目标。
3. discuss vt. 商量; 讨论,谈论
例句:We’ll discuss these in detail below.
我们将在下面详细讨论。
4. episode n.插曲; 一集
例句:That episode was still so vivid to her.
当时的情景却仍然历历在目。