Periodometer
调和分析仪
🗣️ 情景例句
Yes. But could you wait one minute?
是的。不过， 你能等一下吗？
Flying volcanic bomb
喷燃着的火山弹
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。