Singletons
(singleton 的復數) n. 一個, 獨生子, 獨身
??? 情景例句
Dad often works late,
爸爸老是工作到很晚，
A squirrel cracks the nuts.
松鼠在啃堅果.
The mummy successfully survived the operation.
這具木乃伊成功地經受了這次手術。