Metaxylem
n. [植]后生木质部
🔁 扩展释义
【医】 后生木质部
🗣️ 情景例句
OK. Thank you.
好 ，谢谢。
If wishes were horses, beggars might ride.
愿望不等于事实。
The boy was too nervous to speak.
那男孩紧张得说不出话来。