sticky film
【黏性薄膜】
"This sticky film can't be easily rinsed off – it really needs to be manually cleaned."
“这种黏性薄膜不容易冲洗掉，真的需要手动清洁。
"This sticky film can't be easily rinsed off – it really needs to be manually cleaned."
“这种黏性薄膜不容易冲洗掉，真的需要手动清洁。