Substantia ferruginea
[医] 锈质, 蓝斑(第四脑室底)
🧩 词语组成解析
nigra[解]黑质, 塞梅林氏神经节
🗣️ 情景例句
He has had various experiences in his life.
他的生活经验丰富。
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。