Skitron
暗迹(示波)管, 阴[黑]影管(一种 Ｘ光管)
🗣️ 情景例句
Why are you leaving your present job?
你为什么要放弃目前的工作？
In Britain, there are open universities.
在英国，有成人大学。
for even though it was still summer, it rained continually and it was often bitterly cold.
因为即使那时仍为夏季，但雨总是下个不停，而且常常冷得厉害。