Dialin
二氢化萘
🗣️ 情景例句
She treated me with indifference.
她对我很冷淡。
Arthur must send that letter soon.
亚瑟，你必须立刻投递那封信。
After a long period of rain the river may overflow its banks.
久雨这后，河水会泛滥成灾，