n. 交換;交易;交易所;兌換(率);
vt. 交換,互換;兌換;交換,調(diào)換;
vi. 交換,替換;進(jìn)行易貨貿(mào)易,作物物交換;[金融業(yè)](貨幣)交換,兌換;
?? ex 表示\"出,出去\" + change交換,替換 → vt.交換;交流\r\nn.交換
"Tom gave Helen an apple in exchange for a piece of cake."
湯姆用一個蘋果與海倫換一塊蛋糕.
近義:switchboard, central, interchange, permute, preempt, reciprocate
反義:protect, save, shelter, defend, guard