🧩 词语组成解析
n. [植]紫草
铁皮石斛（植物名）
🗣️ 情景例句
Michelle knows all about it.
Michelle已经全知道了。
Where did you visit?
你去参观了哪些地方？
I went on walking, bending down because the roof of the cave was not very high.
因为洞顶不是很高，我继续弯着腰往前走。