Fovea externa
[医] 外凹(中央凹外界膜上的一凹)
🧩 词语组成解析
n. 窝, 凹\\n[医] 凹
🗣️ 情景例句
for a long time,
很久了，
There are always two sides to everything.
每件是都有两面性。
It's seven thirty!
七点半了！