Semiconductor radiation detector
[电] 半导体辐射探测器
🧩 词语组成解析
🗣️ 情景例句
No, you needn't do that.
不行呀，你不必这样。
He came to give us a talk yesterday.
他昨天给我们作了一次演讲。
'You needn't be so rude about it,' my wife answered as she looked at herself in the mirror.
“你说话没必要这样不客气，”我的妻子边回答边照着镜子。