Doas
abbr. differential optical absorption spectroscopy 微分吸收光谱分析法
🗣️ 情景例句
My hobbies are hiking, fishing and climbing.
我的嗜好是远足、钓鱼和爬山。
The small courtesies sweeten life; the greater ennoble it.
有点礼貌使生活愉快，多点礼貌使生活高尚。
but more often than not, the greater part of the journey is spent on roads with few service stations and too much traffic.
但旅行的大部分时间都花在路上，而且只有很少的服务设施，交通也很拥挤。