A small metal tool used to open locks or start engines.
I always keep a key to my house in my bag.
我總是將家裡的鑰匙放在包裡。
The most important thing needed to understand or achieve something.
Practice is the key to learning a new language.
練習是學習一門新語言的關鍵。
A button on a keyboard or phone that you press to type.
Press the enter key to send your message.
按下Enter鍵發送您的訊息。
One of the parts you press to play a piano or similar instrument.
She gently touched the piano key to start the song.
她輕輕觸碰鋼琴鍵開始演奏歌曲。
A group of musical notes that sound good together.
The song changes key in the middle to make it more exciting.
這首歌在中間轉調,使其更加激動人心。
A list of correct answers for questions or problems.
Use the answer key at the back of the book to check your work.
使用書後的答案核對您的工作。
A guide that explains the symbols on a map or diagram.
Look at the map key to understand what the symbols mean.
查看地圖圖例以了解符號的含義。
Very important; necessary for success.
Being on time is key to making a good impression.
準時是留下良好印象的關鍵。
To type information into a computer using a keyboard.
Please key your name into the computer to sign in.
請在電腦中輸入您的姓名以登入。
To scratch a car's surface with a key to damage it.
Someone used a key to scratch the side of my car.
有人用鑰匙劃傷了我車的側面。