Kieselgur
n. [地質] 硅藻土
??? 情景例句
I'm unemployed at the moment.
現在我失業了。
Which do you prefer, fishing or mountain-climbing?
釣魚和登山，你更喜歡哪一個？
I'm afraid I didn't, officer.I must have been dreaming.
恐怕我沒有看見，警官。我一定思想開小差了。