Membranous semicircular canals
[医] 膜性半视管
🧩 词语组成解析
a. 膜的, 膜性的\\n[医] 膜的
a. 半圆的\\n[医] 半环形的
n. 运河( canal的名词复数 ); 管道; 气管; 食道
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
How long will it take you to have it counted?
你要多少天才能把它计算好？
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。