Today's Sentence
Start recording
Max 6 minutes
The more urine, sweat, and other organic materials in a pool, the less efficient chlorine is at killing the real nasty stuff.
池中的尿、汗與其他有機物越多，氯就越難以真正清除髒汙。
Original Video：
Stop peeing in the pool. Chlorine doesn't work like you think.
0 participants have completed today's challenge