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
n. 學生,大學生;研究者,學者;中學生;<美俚>初學者;
?? stud=study學習+ent人→學生
"In borderline cases teachers will take the final decision, based on the student's previous work."
在難以定奪的情況下,教師將根據(jù)學生先前的作業(yè)做出最終評分。
近義:pupil, schoolboy, schoolchild, trainee, undergraduate, collegian
反義:pedagog, pedagogue, teacher, educationalist, educationist