Lecithine
[建] 卵磷脂
🗣️ 情景例句
There's lots of food left.
这里还剩下很多食物。
He should meditate on the problem.
他必须就那个问题好好地想一想。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置，而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼，这是人们所熟悉的其他鱼。