A plant of the Cactaceae family, native to the Americas.

• A succulent with thick, spiny stems and few or no leaves.

仙人掌科的植物，原产美洲。

• 茎肥厚多刺、少叶或无叶的多肉植物。

Informal, especially Australian: broken or not working.

• Informal: extremely tired or worn out.

口语，尤指澳新：坏了的；不工作的。

• 口语：筋疲力尽的；非常累的。