“dilate upon”簡單造句，dilate upon造句子

1、If there were time, I could dilate upon this subject.

3、I don't understand. Did the soldiers use Dao Tan or gold-plating? Did it dilate upon? This is the royalty level.

2、Mary later said that she was constantly asked how she, "then a young girl, came to think of, and to dilate upon, so very hideous an idea?"