Certation
花粉管竞生
🗣️ 情景例句
Cooking dinner for the entire family is not so easy.
给全家人做晚餐真不是件容易的事。
What time do you think it is?
你以为现在几点？
The enormous increase of population will create many problems.
巨大的人口增长将产生很多问题。