内容正文:
M2U1单词 unexplained a. 无法解释的,神秘的 un- 否定前缀 unhealthy unreal uncomfortable explain vt. 解释 explain (to sb.) that-/wh-从句 向某人解释某事 explanation n. 解释;说明 eg: He made up a story to explain why he was absent. The poor old man died of some unexplained disease. puzzled a. 困惑的,茫然的 (修饰人或人的表情、声音) be ~ about... 对……感到困惑 puzzle vt.&n. 使困惑;谜,智力游戏 puzzlement n. puzzle over 仔细琢磨,苦苦思索 puzzling a. 令人困惑不解的(修饰事) eg:The girl looked at me with a puzzled look. Maybe the problem was quite puzzling. She listened with a puzzled expression on her face. step up 加紧,加强,促进 -pp- step up one's pace 加快步伐 step up one's search for… step up one's efforts to do… take steps/measures to do sth. 采取措施做某事 step by step 逐步地 eg:He has stepped up his training to prepare for the coming race. Steps must be taken to protect the forests. incident n. 发生的事情(尤指不寻常的或讨厌的); 暴力事件;严重事件 event 指重大事件或比赛项目 matter 需要考虑的或需要处理的事情 affair 指公共事务或政治事务(多用复数); 也可指私事或个人的事 eg: He told me some incidents that happened during his journey to Europe. due a. 由于,因为;预期的;适