Methyloic
含有羧基的
🗣️ 情景例句
In face, Australia is the only country that is also a continent.
事实上，澳大利亚是唯一作为洲的国家。
I didn't realize the time had passed so quickly.
我没有认识到时间这样快速过去了。
There was less food for birds and also for the prairie dog, a kind of animal which lives in holes in the ground.
供鸟类吃的食物少了，供草原犬鼠（一种生活在地洞里的动物）吃的食物也少了。