Soan
abbr. Solenoid Operated Air Valve 电磁操纵空气阀
🗣️ 情景例句
What books are required for this class?
这课需要什么样的书？
I don't have a phonograph,either.
我也没有留声机。
The number of wagging dances per minute told the exact distance to the feeding place.
每分钟跳摇摆舞的次数说明了到喂食点的精确距离。