翻译 You must reserve a ticket in advance.
(你必须提前订票。)
同义替换 store v. 储藏;储存 book v. 预订 preserve v. 保留;留存
reverse [r??v??s] n. 背面;相反;倒退 v. 颠倒;倒转;撤销adj.反面的;颠倒的
拆分 re(反)+ vers(移动,转向)+ e→反向的,相反的
例句 That explanation appeals to common sense and has dominated efforts to get to the root of the obesity epidemic and reverse it.
这样的解释似乎迎合了常识,决定了我们从根本上改变肥胖症的流行、扭转这一局面的努力。
翻译 If you reverse the positions of two pictures