Tetanthrene
四氫化菲
??? 情景例句
They always were,
他們過去如此，
A true man and a thief think not the same.
君子和竊賊的思想不同。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在寫字。莉莉沒在寫字。她在看黑板。