Arborine
山柑子碱, 山小桔碱
🗣️ 情景例句
Mom, give me a break.
妈， 让我喘口气。
Don't be so stubborn!
你还嘴硬！
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。