Downturn
n. (尤指经济方面的)衰退, 下降趋势\\n[电] 低迷时期
✅ 同义词
🗣️ 情景例句
Do you really think so?
你真的这么想吗？
Let's keep in touch.
让我们保持联系。
It then sends these signals down an ordinary telephone line to another fax machine, which changes the signals back into the shapes of letters.
然后把这些符号通过一条普通的电话线送到另一台传真机上，传真机又把符号变为字母形状。