|   New    Known    Review | 
| apologetic | 
|     | 
| a.  (道歉的,歉意的) offering or expressing an apology or excuse; serving as or containing a formal justification or defense | 
|   New    Known    Review | 
| apparatus | 
|     | 
| n. Syn. equipment (器械,設備) a group of parts that work together to perform given function; appliance or device for particular purpose | 
|   New    Known    Review | 
| apparent | 
|     | 
| a. Syn. visible (明顯的,明白的,外表的,表面上的) capable of being seen, or easily seen; open to view; visible to eye | 
|   New    Known    Review | 
| appendix | 
|     | 
| n. Syn. appendage; adjunct; concomitant (闌尾,附錄) something appended or added | 
|   New    Known    Review | 
| applaud | 
|     | 
| v. Syn. clap; acclaim (喝彩,歡呼) acclaim; express approval, especially by clapping the hands | 
|   New    Known    Review | 
| appliance | 
|     | 
| n.  (用具,器具) durable goods for home or office use; device or instrument for household use | 
|   New    Known    Review | 
| appraisal | 
|     | 
| n. Syn. assessment; evaluation (評價,估價) assessment; evaluation; the classification of someone or something with respect to its worth | 
|   New    Known    Review | 
| apt | 
|     | 
| a. Syn. appropriate; suitable (恰當的,貼切的) likely; exactly suitable; appropriate; quick to learn or understand | 
|   New    Known    Review | 
| aptitude | 
|     | 
| n. Syn. intelligence; talent (能力,才能) inherent ability; quickness in learning and understanding | 
|   New    Known    Review | 
| aquarium | 
|     | 
| n.  (水族館) tank or pool or bowl filled with water for keeping live fish and underwater animals |