Phloionic acid
[化] 9,10-二羟十八烷二酸
🧩 词语组成解析
🗣️ 情景例句
Clothes make the man.
人要衣装，费要金装。
That was a close call! We nearly hit that car.
真是好险阿，我们差点撞着那辆汽车。
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。