lemon tree

• 一种小型常绿乔木（Citrus limon），结黄色酸味果实；也指这种果实本身，常在温暖气候下种植，用于烹饪和日常用途。

A small evergreen tree (Citrus limon) that produces yellow, sour-tasting fruit, commonly grown in warm climates for culinary and household use.

1. A citrus treeA2formal

   A small evergreen tree (Citrus limon) that produces yellow, sour fruit known as lemons.

   柠檬树

   • We planted a lemon tree in our backyard.
   • The lemon tree is full of ripe fruit this season.
   • Lemon trees need plenty of sunlight and water to thrive.

2. Symbol of disappointmentB2informal

   Used metaphorically to represent something that seems promising but turns out to be disappointing or sour.

   失望的象征

   • That car turned out to be a real lemon tree of a purchase.
   • His new job was a lemon tree—all hype and no reward.
   • The vacation was a lemon tree; everything went wrong.