Specificator
区分符, 分类符
🗣️ 情景例句
and you care about us,
而且关心我们大家，
I just dropped in to say goodbye.
我只是来告别的。
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。