Ivas
(iva 的复数) Ideal Voltage Amplifier理想电压放大器；Inspection Visual Aid 检查用观察用具；Intra-Vehicular Activity （航天飞机）舱内活动
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
To bell
鸣叫
I could kill you!
我宰了你！