Mitochondrion
n. 線粒體
??? 情景例句
I'm sure everyone will be very happy with these gifts.
相信他們一定會喜歡這些禮物的。
Waste of time is the most extravagant and costly of all expenses.
浪費時間是一切花費中最奢侈豪華的費用。
Yes, it is.
是啊！