Fossae
pl. 窝, 凹\\n[医] 窝, 凹
🗣️ 情景例句
He's always in and out of jobs.
他老是跳槽。
I don't want to put you to any trouble.
我不想麻烦你。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，