Unibasal
[醫] 單底的
??? 情景例句
I like to listen to the music and to play piano and occasionally to go swimming.
我喜歡聽音樂、彈鋼琴，有時候去游泳。
Have you seen Mr. Smith recently?
最近你見過史密斯先生嗎？
His engine failed and he landed on the sea for the second time.
這次他又遭厄運，因引擎故障第二次降落在海面上。