Permatron
[计] 磁控管
🗣️ 情景例句
A diamond of this size is unique.
这种尺寸的钻石是独一无二的。
The chemist is testing enzymes.
化学家在试验着酶。
while others rub their hands over his skin to the accompaniment of a monotonous and soothing chant.
其他人唱着单调的歌声用手抚摸象的皮肤。