Ecker's fissure
[医] 埃克尔氏裂, 枕横沟
🧩 词语组成解析
🗣️ 情景例句
Good-bye, Robbie. Good luck.
再见 ，Robbie ，祝你好运。
What are you drawing?
你正在画什么？
They lived by hunting and by gathering roots, nuts and wild fruits.
他们靠狩猎和采集根茎、坚果和野果为生。