题: topic, problem for discussion, exam question, subject, to inscribe, to mention...
空洞: cavity, empty, vacuous...
失落: to lose (sth), to drop (sth), to feel a sense of loss, frustrated, disappointment, loss...
元宵节: Lantern Festival, the final event of the Spring Festival, on5th of first month of the lunar calendar...
银行: bank...
议: to comment on, to discuss, to suggest...
羞愧: ashamed...
行驶: to travel along a route (of vehicles etc)...
探险: to explore, to go on an expedition, adventure...
轮胎: tire, pneumatic tire...
