Plifier
电子束半导体线性低通放大管
🗣️ 情景例句
for the repainting of the interior of the building
用来重新粉刷内部
Light come,light go.
易得则易失；来得容易去得快。
For years we've been demanding better housing and jobs.
多年来我们一直要求改善住房和工作条件。