1.end up 結束
例句:The result was that the engine ended up at the bottom of the canal.
結果引擎最終沉到了運河底。
2.nuclear weapons 核武器
例句:The declaration deals with disarmament and the non-proliferation of nuclear weapons.
該聲明涉及裁軍和防止核武器擴散問題。
3.self-interest 利己主義
例句:Their current protests are motivated purely by self-interest.
他們當前的抗議完全是受一己之利驅使的。
4.focus on 專注于
例句:The talks will focus on economic development of the region.
會談將著重討論該地區的經濟發展。