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
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
He made an important contribution to the company's success.
他对公司的成功做出了重要的贡献。
the gaoler replied: 'The light is indeed dim, sire, I must get my glasses.'
“陛下，这儿光线的确太暗了，我得去眼镜拿来。”