Alula
n. 小翼羽\\n[医] 翅瓣
🗣️ 情景例句
Fifth word, seven.
第五个字是"seven。
The secret of success is constancy of purpose.
成功的秘诀是目标坚定。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，