Rf
射频, 测距计, 测远仪\\n[计] 射频
🗣️ 情景例句
I know it!
我知道！
Suspicion is the poison of true friendship.
猜疑伤害莫逆之交。
The question became one of whether Man could control the disease he had invented.
现在的问题是，人类能否控制住这种人为的疾病。