Desulphuration
除硫
🗣️ 情景例句
No smile, no surprise.
不笑 ，就不给你惊喜。
To swim
游泳
at any rate for short periods -- that running, jumping and kicking a ball are tests of national virtue.
至少在短期内如此 -- 跑跑、跳跳、踢踢球是对一个民族品德素质的检验。