Sbo
[医][=single-breath oxygen]一次呼吸氧量
🗣️ 情景例句
I must say the products in Shanghai have improved very much in the past ten years.
我得承认上海的产品这十年来进步了很多。
He knows enough that can live and hold his peace.
见多识广者沈默寡言。
You will not have to spend the next few days recovering from a long and arduous journey.
用不着因为漫长的旅途的辛苦而花几天时间休息来恢复精神。