Chalnicon
硒化镉视象管, 硒化镉光导摄象管
🗣️ 情景例句
Who?
谁啊？
Missing school to watch the football match is out of the question.
为看足球赛而旷课，那可不行。
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.
因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。