Ketoses
酮糖
🗣️ 情景例句
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
Time and tide waits for no man.
岁月不等人。
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。