that is a/an造句
來源：魅力女性吧 1.93W
Most authorities agree that play is an essential part of a child's development.
大多數權威人士認為玩耍是孩子成長的一個重要部分。
This is a citywide problem that has to be addressed as an emergency.
這是個全城性的問題，必須當做緊急事件對待。
An illustration of China's dynamism is that a new company is formed in Shanghai every 11 seconds.
説明中國活力的一個實例便是在上海每11秒鐘就有一家新公司成立。
A proton is an elementary particle of matter that possesses a positive charge.
質子是帶正電荷的物質的基本粒子。
I've found a vase that is an exact match of the one I broke.
我找到了一隻花瓶，和我打碎的那個一模一樣。
that is a/an造句
And that is a preface to an idea of computational complexity we're going to come back to.
