Mrf
abbr. magnetic resonance bloodflow scanning 磁共振血流量计; maintenance replacement factor 维修更换因素; marble floor 大理石地面
🗣️ 情景例句
I got it.
我猜对了。
A good beginning is half done.
良好的开端，就是成功了一半。
A farm worker, who stayed up all night claimed to have seen a figure cutting corn in the moonlight.
有一个彻夜未眠的雇工还声称他看见一个人影在月光下收割庄稼。