Skitron
暗迹(示波)管, 阴[黑]影管(一种 Ｘ光管)
🗣️ 情景例句
Richard and I will put them into the envelopes.
我和Richard把它们放进信封。
If he gets scared at the night noises, be patient with him.
如果他晚上感到害怕，请你们多多见谅。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。