Pedicellaria
(棘皮动物的)叉棘
🗣️ 情景例句
Oh, it must be Alexandra.
一定是Alexandra。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
Certainly, doctor.Come upstairs.
当然可以，医生。上楼吧。