Additive primaries
[电] 相加原色
🧩 词语组成解析
n. 基元；主翼羽, 比较原色（primary复数）
🗣️ 情景例句
I enjoy writing.
我喜欢写作。
I'd like to buy an excursion pass instead.
我要买一张优待票代替。
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。