Smr
abbr. standard mortality rate 标准死亡率; somnolent metabolic rate 睡眠状态代谢速率; senior maintenance rating 高级维护征收额; specialized mobile radio 专用移动无线（通信）
🗣️ 情景例句
on our community.
给我们的社区。
I have received a letter from my cousin.
我收到了我表兄的信。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。