Calcinea
鈣質海綿亞綱
??? 情景例句
I have spent the last five years working specifically in this field.
過去五年我專門在這個領域里工作。
Merry meet, merry part.
好聚好散。
Good morning, Mr. WU:?Here's my homework. I was ill on Monday, so it's late.
吳先生，早上好！這是我的英語家庭作業。我星期一病了，所以遲交。