https://online2.tingclass.net/lesson/shi0529/0008/8490/25.mp3
https://image.tingclass.net/statics/js/2012
23. Everybody _____ in the hall where they welcomed by the secretary.
A. assembled B. piled C. joined D. accumulated
assemble (人群)聚集
assembly line 裝配線
semblance 外表
resemble 相似，相像
take after 與某人長得像
pile 堆積
compile=put together 編輯，匯編
accumulate 積累
cumulus 積雨云
cumulative 積累的，漸增的
