Klystron
n. 调速管\\n[化] 速调管
🗣️ 情景例句
You mature quickly.
这种人成熟得快。
An ill marriage is a spring of ill fortune.
不良的婚姻是恶运的来源。
Please listen to me, everyone. Who has a ruler?
大家听我说。谁有尺子？