🧩 词语组成解析
n. 静脉\\n[医] 静脉
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
Well, at least you're acting like you feel better.
不过， 至少你表现得好像你感觉好多了。
I played ping-pong this morning.
我今早在打乒乓球。
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。