Mikephor
米盖福(荧光增白剂)
🗣️ 情景例句
Where?
在哪？
She's perfectly reasonable in her demands.
她的要求完全合情合理。
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。