Emr
等效乘法速率
🗣️ 情景例句
but I think we should face the truth.
但我认为我们应面对现实。
The remembrance of past sorrow is joyful.
记住过去的不幸使人愉快。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。