Photodechlorination
光去氯(作用)
🗣️ 情景例句
Would you prefer a window, aside or enter seat?
您喜欢靠窗、靠走道还是中间的位置？
Ask-Bob-to sit-behind-me.
让鲍伯坐在我后面。[省略了四个音]
She wanted to see the doctor because her back hurt.
她是来伦敦看望女儿的。她要看医生是因为背痛。