Dbv
[电] 和阻抗水平无关的电压增减
🗣️ 情景例句
The other half?
另一半？
Where there is life, there is hope.
生命不息，希望常在。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。