Xylem
n. 木质部\\n[医] 木质部(植物纤维束的)
🗣️ 情景例句
for the one seat on the Riverdale School Board,
争夺Riverdale联合校董会一个席次
He that will eat the nut must first crack the shell.
欲所得，必先劳。
All that is in my mind when I meet a young person.
每逢我遇到年轻人，脑子里就想到，