Chinese goldthread
[化] 黄连
🧩 词语组成解析
[医] 黄连
🗣️ 情景例句
I have spent the last five years working specifically in this field.
过去五年我专门在这个领域里工作。
Never too old (or late) to learn.
学到老，学不了。
In the back row.
教室后排。