Below norm
[化] 限额以下的
🧩 词语组成解析
norm
[nɔ:m]
n. 标准;规范;准则;（劳动）定额;
🗣️ 情景例句
Thanks a lot. Bye.
多谢，再见。
He skinned his knee.
他擦破了膝盖的皮。
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。