Variodencer
[计] 可变电容器
🗣️ 情景例句
When was your reservation?
您预定的是什么时候？
What's your counter-offer?
您的还价是多少？
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.
他们打开强力弧光灯，看见一株株巨大的石笋，有的高达40英尺，像树干似地向上长着，与洞顶悬挂下来的钟乳石相接。