Pretersonics
[电] 高于500百万赫频率的声纳波
🗣️ 情景例句
It all sounds so easy.
一切听起来竟是如此简单。
Time cures all things.
时间可以医治一切创伤。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。