Dichloropropane
二氯丙烷
🗣️ 情景例句
Can I help you?
我可以帮上忙吗？
Her children are a disappointment to her.
她的孩子让她感到失望。
'The fire broke out in the basement.I went down immediately,of course,
“地下室突然着火，我当然马上下去了。