Cadr
abbr. clean-air delivery rate 洁净空气传送速度
🗣️ 情景例句
No, it's an original. My father's friend is a calligrapher, and I had him make it for you.
没错，这可是真迹。我父亲的朋友是书法家，专门帮你写的。
Dad is welcoming uncle Bob.
老爸去迎接鲍勃叔叔。
Taking a path which led out of the town, we crossed a few fields until we came to a dense wood.
我们走上了一条出镇的小路，穿过几块农田，来到一片茂密的树林。