Dibenzphenanthrene
二苯并菲
🗣️ 情景例句
but I'm not sure I want to be alone.
但我不知道我是否想一个人生活。
Better master one than engage with ten.
精通一事胜于会十事。
There is another good reason for taking a part-time job.
干兼职工作还有一条充分的理由。