Efa
abbr. essential fatty acids 必需的脂肪酸
🗣️ 情景例句
I beg you pardon?
对不起，你说什么？
Hello, This is operator.
喂！我是接线员。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，