n. 交换;交易;交易所;兑换(率);
vt. 交换,互换;兑换;交换,调换;
vi. 交换,替换;进行易货贸易,作物物交换;[金融业](货币)交换,兑换;
💡 ex 表示\"出,出去\" + change交换,替换 → vt.交换;交流\r\nn.交换
"Tom gave Helen an apple in exchange for a piece of cake."
汤姆用一个苹果与海伦换一块蛋糕.
近义:switchboard, central, interchange, permute, preempt, reciprocate
反义:protect, save, shelter, defend, guard
n. 抢劫案;明抢;敲竹杠;明目张胆地索取高价;
💡 robb=rob抢+ery行为,情况 →抢劫
"The suspects all had alibis for the day of the robbery."
嫌疑人均有证据证明抢劫当天不在犯罪现场。
近义:holdup, larceny, looting, assault, mugging, abstraction