🧩 词语组成解析
a. [植] 茜草科的
🗣️ 情景例句
Frank, you can learn as we go.
Frank，我们玩， 你跟着学。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
Later, we ate our picnic under some trees.
后来，我们在树下吃野餐。