Xylem
n. 木质部\\n[医] 木质部(植物纤维束的)
🗣️ 情景例句
Tomorrow morning at ten o'clock. Try it.
明早上午十点。来试一试吧。
How long have you been studying English?
你学了多长时间的英语了？
We swam and dived off the rocks into the sea.
我们从岩石上跳进海里游泳。