Altofrequent
[医] 高频率的
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
It's a beautiful country with forests, mountains and deserts.
这个国家很美，它有很多森林、山和沙漠。
Try and stand up.Can you stand up?
试试站起来。你能站起来吗？