Deflection polarity of an oscill-oscope
[电] 示波器的偏转极性
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
Is it true that it's full of wonders there?
那里充满了奇异的景观，是真的吗？
Forest fire caused by lava
熔岩引起的森林大火
Both men had just begun to swim towards the shore, when they noticed with dismay that the speedboat was moving in a circle.
两个人刚开始向岸边游去，就突然惊愕地发现快艇正在转着圈行驶，