Diphenylmethanes
二苯甲烷类
🗣️ 情景例句
Many residents choose to put their money into the bank.
许多人选择把钱存在银行。
Let us talk about it at our leisure.
那件事我们有空再谈吧。
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）