Tetrahalide
四鹵化物
??? 情景例句
to save money for my college tuition.
存錢準備我的大學學費。
Deeds are fruits; words are but leaves.
行動是果實，言語只是樹葉而已。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我發現樹葉開始枯萎，