Atomic structre
[电] 原子构造
🧩 词语组成解析
🗣️ 情景例句
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
And they are very proud of their son's success in getting a scholarship to Harvard.
他们为儿子获得哈佛的奖学金页感到非常自豪。
They will hardly know which facts to select from the great mass of evidence that steadily accumulates.
对于逐渐积累起来的庞大材料，他们几乎不知道选取哪些好，