Dioxygen
二氧, 分子氧
🗣️ 情景例句
towards refurnishing the old library
去重新整修老图书馆
Don't give me any excuses.
不要给我任何理由。
I nearly forgot! It's Grandma's birthday next Thursday
我差点儿忘啦！下星期四是奶奶的生日。