Xt
abbr. 串音（Cross Talk）
📖 牛津释义
Xt
= Xsymb 符号 7.
🗣️ 情景例句
I don't believe in cyber romance.
我不相信网络情缘。
I know he will understand your letter.
我知道他会明白我的信。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。