Semaphoric
a. 信号灯的, 信号装置的, (用)旗语通信的
🗣️ 情景例句
Are there any parties going on tonight?
今晚有聚会吗？
Shall I carry this for you?
要不要我帮您拿这件东西？
Opportunity knocks but once.
机不可失，时不再来。