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. 学生,大学生;研究者,学者;中学生;<美俚>初学者;
💡 stud=study学习+ent人→学生
"In borderline cases teachers will take the final decision, based on the student's previous work."
在难以定夺的情况下,教师将根据学生先前的作业做出最终评分。
近义:pupil, schoolboy, schoolchild, trainee, undergraduate, collegian
反义:pedagog, pedagogue, teacher, educationalist, educationist