Semiduplex
[电] 半双工
🗣️ 情景例句
Lacks planning for career, has no purpose or goals.
对自己的事业没有安排，没有目标和理想。
Kinsman helps kinsman, but woe to him that hath nothing.
亲帮亲，邻帮邻，无亲无助你倒霉。
Have you got a hat, sir?
先生，您有帽子吗？