Natural vibration
[化] 固有振动
🧩 词语组成解析
natural
['nætʃrəl]
adj. 自然的;物质的;天生的;不做作的;
n. 自然的事情;（生来的）白痴;[乐]（风琴等的）白键;
natur=nature自然+al...的 →自然（界）的
🗣️ 情景例句
I cannot permit him his rudeness.
我不容许他无礼。
It seems like I always have bills to pay and he never has any!
我看来好像老是有账单，然而他却完全没有。
And this is Luming.He is Chinese.
这位是鲁明。他是中国人。