Pectinic acid
[化] 果胶酯酸
🧩 词语组成解析
🗣️ 情景例句
It was a dollar and sixty cents.
花了一元六角。
Nature is the glass reflecting truth.
大自然是反应真理的一面镜子。
Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。