I plucked an orange from the tree.

　　我從樹上摘了一個橙子。

　　An orange a day will give you all the vitamin C you need.

　　每天吃一個橙子能充分?jǐn)z取所需的維生素C。

　　The outer skin of the orange is called the 'zest'.

　　橙子皮稱為zest。

　　Peel a thick-skinned orange and square off the ends with a sharp knife.

　　剝開一只厚皮橙子，用鋒利的刀將兩端削去使它呈方形。

　　Squeeze a bit of orange juice onto the meatballs.

　　往肉丸子上擠點(diǎn)橙子汁。