5/20 classnote
1. semiconductor n. ² definition: a solid substance such as silicon that allows some electricity to pass through it, used for making electronic equipment such as computers. ² prefix: semi-: half. example: semicircle: half of a circle, U-shaped or “ㄇ”-shaped. 2. signature n. [U] ² definition: your name written by you self, usually to show that something has been written or agreed by you.. ² example sentence: I mistook your signature and thought the letter was from someone else. ² prefix: sign- , to mark. example: (1) significance, adj.: importance. (2) signor, n.: gemtleman. ² related dictionary definitions: autograph, n.: a signature of a famous person. 3. photograph n. [U] ² definition: a picture produced using a cmera. ² example sentence: My parents took a lot of photographs of us when we were small. ² prefix: photo-: light. example: (1) photocopy, n.: a photographic copy of a document made on a photocopier. (2) photogenic, adj.: having a face that looks attractive in photographs. 4. exclaim v. [I] ² definition: to say or shout something suddenly because of surprise, fear, pleasure, etc. ² example sentence: She exclaimed in delight upon hearing the news. ² prefix: ex-: out. example: (1) expurgate, v.: to remove parts of a piece of writing that are considered likely to cause office. (2) expel, v.: to force someone to leave a school, organization or country. 1. 人 be worn out 心力交瘁 2. succeccive 接二連三 3. transparent 透明的 4. conduct (n.)指揮, (v.)傳導 5. conductor (n.)避雷針、指揮(音樂) 6. solid food 固體食物
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