乘客安全第一
The flight crew is made up of all the people who work on airplanes from the time the cabin doors are closed before takeoff to the time the cabin doors are opened after landing.
飛行機組成員是指從機艙門在起飛前關閉到降落後打開的整段時間內所有在飛機上工作的人員。
be made up由～組成=be composed of=consist ofcabin(n.)（飛機）座艙take off起飛
On passenger flights, the members of this crew include a pilot, a co-pilot — or first officer — and flight attendants — or the cabin crew.
在客機上，機組成員包括機長、副駕駛（亦稱副機長），以及空服人員（或稱為客艙組員）。
attend to sb’s needs處理某人的需要The nurse attended to the patient’s needs.這位護士處理了病人的需要
The pilot and co-pilot are responsible for flying the plane.
機長和副駕駛負責操控飛機。
be responsible for為～負責=be in charge of
This involves planning the flight route and making changes to it as needed.
這包括規劃飛行路線並根據需要進行修改。
take an alternative route走替代的路線modification(n.)改變
Both of these members of the flight crew sit in the cockpit of the airplane and use their knowledge of the aircraft’s instruments to safely fly the plane to its destination.
這兩位機組成員坐在飛機的駕駛艙中，利用對飛機儀器的知識安全地將飛機飛往目的地。
cockpit(n.)（飛機的）駕駛艙instrument(n.)儀器destination(n.)目的地reach(v.)到達
While the pilot is in charge of making all of the decisions during flights, the co-pilot’s main job is keeping the plane on course.
在飛行期間機長負責做出所有決策，而副機長的主要工作是確保飛機保持在正確的航道上。
on course 在正確的航道上off course偏離航道
The other men and women who work on the flight crew are the flight attendants.
其他在飛機機組中工作的男性和女性是空服人員。
Generally, there is at least one flight attendant for every 50 passengers.
通常，每50名乘客至少配有一名空服員。
ratio(n.)比例=proportion
Their main responsibilities include keeping passengers comfortable and making the flight safe for everyone on board.
他們的主要職責包括讓乘客感到舒適，並確保機上所有人的飛行安全。
aboard(adv.)在（交通工具上）
Therefore, while flight attendants are usually seen serving food and drinks or cleaning up the plane, they must always be ready to help in case of an emergency.
因此，雖然空服員通常被看到在提供飲食或維持飛機整潔，但他們必須隨時準備在緊急情況下提供協助。
therefore(adv.)因此=as a resultbe seen V-ing被看到在做～offer assistance提供協助in case of倘若、要是發生～emergency(n.)緊急情況、不測事件、突發事件