重要單字附有 IPA 發音、定義、例句和互動式測驗。
在本文中： 選集，通常指詩歌、短篇小說或文章的彙編
在本文中： 具備資格的，符合條件的
在本文中： 極其複雜且難以理解的
在本文中： 逐條列出，詳細列明
在本文中： 推測，假定（通常基於可能性）
在本文中： 正是如此，精確地
在本文中： 核實，查證
在本文中： 兩週，十四天
片語包含類型標示、雙語定義、用法說明和例句。
Selling very quickly due to high popularity.
極其暢銷，供不應求
To do something with extreme care or effort because it is perceived as vital.
拼命地，極其謹慎地（彷彿命懸一線）
To explain a process or task to someone step by step.
引導，逐步說明
No longer in danger or under suspicion; having completed a difficult process.
脫離困境，手續完成
To explain something in a very clear and detailed way.
詳細解釋，講得清清楚楚
A government-approved system allowing international travelers to buy goods without paying certain local taxes.
免稅方案/計畫
The official department that administers and collects the duties levied by a government on imported goods.
海關
Large bags or suitcases that are carried in the cargo compartment (the hold) of an aircraft, rather than in the cabin.
托運行李
To record a specific amount on a cash register for a purchase.
（在收銀機上）結帳/紀錄交易