If something is expandable, you can make it bigger. A suitcase or a table can be expandable because extra parts let it hold more.

If something is expandable, you can make it bigger如果一個東西是expandable，就表示你可以把它變大 A suitcase or a table can be expandable一個行李箱或桌子可以是expandable的， because extra parts let it hold more因為多出來的部件可以讓它裝得更多、變得更大

On a computer, a list or a file is expandable when you click and more of it opens; memory is expandable when you are allowed to add more.

On a computer, a list or a file is expandable when you click and more of it opens在電腦上，如果一個清單或檔案點開之後會展開更多內容，這就是expandable的； memory is expandable when you are allowed to add more如果可以再加裝更多容量，記憶體就是expandable的

It is a practical, slightly technical word — you see it on product boxes and in computer talk more than in stories. People also use it as a noun for a thing made to grow, but the adjective is the one you will meet first.

It is a practical, slightly technical word這是個實用、稍微偏技術性的字—— you see it on product boxes and in computer talk more than in stories你比較會在產品包裝和電腦用語裡看到，而不是在故事裡 People also use it as a noun for a thing made to grow人們也會把它當名詞用，指設計成可以變大的東西， but the adjective is the one you will meet first但你最先遇到的會是形容詞用法

Though actually, 'can be made larger' is not the same as 'will grow by itself': an expandable bag still needs someone to unzip the extra bit.

Though actually不過其實， 'can be made larger' is not the same as 'will grow by itself'「可以被變大」跟「自己會變大」不是同一回事： an expandable bag still needs someone to unzip the extra bit一個expandable的包包還是需要有人把多的拉鍊拉開才會變大