Pinalic acid
[化] 戊酸
🧩 词语组成解析
🗣️ 情景例句
and I'd like your opinion about it.
我需要你的意见。
He's not afraid of working hard.
他不怕吃苦。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。