Ectophloic siphonostele
[医] 外韧管状中柱
🧩 词语组成解析
[植]外韧的
n. [植]管状中柱
🗣️ 情景例句
Sit down, sit down.
请坐， 请坐。
Watch me!
看好喔！
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。