Californium
n. 锎\\n[化] 锎Cf
🗣️ 情景例句
He couldn't teach such dull children.
他教不了这么笨的孩子。
Better say nothing than nothing to the purpose.
与其说话不中肯，不如一言不发好。
In answer to these questions I either nodded or made strange noises.
作为对这些问题的回答，我不是点头，就是发出奇怪的声音。