Polythionic acid
[化] 连多硫酸
🧩 词语组成解析
🗣️ 情景例句
It was all worth it.
那完全值得。
If I want to be healthy,I have to stop smoking cigarettes.
如果我想要健康,我必须停止吸烟。
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。