Sintercorundum
燒結金剛砂
??? 情景例句
She's got him under her thumb.
她把他給管住了。
From which station does the train leave?
這列火車從哪個站開出呢？
I immediately embarked on an experiment which, even though if failed to get rid of the ants, kept me fascinated for twenty-four hours.
我當即動手作了一項試驗，這項試驗盡管沒有使我擺脫這些螞蟻，卻使我著迷了24小時。