Olivetoric acid
[化] 戊基地衣缩酚酸; 油地衣酸
🧩 词语组成解析
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
He knocks boldly at the door who brings good news.
彼叩门声响，必来报佳音。
I repeated my question several times and at last he understood.
我把问话重复了很多遍。他终于听懂了。