Semicycle
半周期
🗣️ 情景例句
He is not cut out for teaching.
他不是当教师的料。
The first several months were a difficult time.
所以头几个月过得有些艰难。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。