Epuivalent conductace
[机] 当量电导
🗣️ 情景例句
You had better study hard.
你最好努力学习。
Who told you?
谁告诉你的？
The children are no longer young, and they know who Father Christmas really is.
孩子们不小了，他们知道真正的“圣诞老人”是谁。