Plastogene
[机] 质体基因
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
Fill it up with regular, please.
请加满普通汽油。
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。