Acetocaustin
三氯乙酸
??? 情景例句
I hear the exams will be very tough.
我聽說考試挺難的。
Beyond this ocean lies the rich subcontinent of India.
海的那一邊有富饒的印度次大陸。
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他們來到一道瀑布前，那瀑布奔瀉而下，注入洞底一處地下湖里。