Perioidic system
[机] 周期系
🧩 词语组成解析
🗣️ 情景例句
When did you last go fishing with Robbie?
你上一次和Robbie一起去钓鱼是什么时候啦
Teacher. He is teaching.
老师。正在教书。
We might say that justice has been done when a man's innocence or guilt has been proved beyond doubt.
当某人被证据确凿地证明无罪的时候，我们也许会说正义得到了伸张。