O-r system
[医] 氧化还原系
🧩 词语组成解析
🗣️ 情景例句
I'm meeting my girlfriend at 6:00.
我约好六点跟我女朋友见面。
The husband mows his lawn on Saturdays.
那位丈夫在每个周六修剪草坪。
as my wife and I discovered during a tour through the Balkans.
我与妻子在一次周游巴尔干半岛时对此深有体会。