Erle
abbr. echo return loss enhancement 回波回程损耗增量<补偿与未补偿回波信号功率之比>
🗣️ 情景例句
Morning, Grandpa.
早安， 爷爷。
We learn not at school, but in life.
学习不在校，而在生活中。
Are they under the chair?
他们在椅子下面吗？