| 正面 | 8461.demonstrator 英 ['demənstreɪtə]美 ['dɛmən'stretɚ]     |
|---|---|
| 背面 |      释义： 磨桶2. 因为迫击炮很像研钵，而引伸出该含义。3. 研钵和研杵：mortar and pestle.4. brick and mortar: adj.实际存在的; 实体的; 具体的; （公司等）有厂房和店铺的.5. 音：磨它，磨桶 => 用来磨它的、将它磨碎的东西 =》研钵。n. 示威者；论证者；指示者；证明者 例句： 1. Marshals tried to wrestle the demonstrator out of the room.执法人员试图将这名示威者从屋子里拖出去。 demonstrator (n.)1610s, "one who points out," agent noun in Latin form from demonstrate. From 1680s as "one who uses exhibits as a method of teaching;" 1870 as "one who participates in public demonstrations."" |