Suboctave
亚倍频程的
🗣️ 情景例句
I'd appreciate that.
谢谢你。
Don't be anxious if I'm late.
如果我回来晚些也不必担忧。
Even if two of these were flooded, she would still be able to float.
即使有两个舱进水，仍可漂浮的水面上。