Subnote
abbr. Submarine Notice 潜艇通知（美国海军）
🗣️ 情景例句
The price has been consistently maintained.
价格始终保持稳定。
Good afternoon,Mr. Green.
午安，格林先生。
And then quickly and quietly we did just that.
于是，我们就迅速而且悄悄地干了起来。