Phellogen
n. 木栓形成层\\n[医] 木栓形成层
🗣️ 情景例句
that I wasn't sure.
我说我不能确定。
I had thought he knew the time of the meeting.
我原以为他知道开会时间。
They picked lots of bananas, and took them back to the boat.
他们搞了很多香蕉，并带回船上。