Mendeleeff's law
[医] 门捷列夫氏定律(周期律)
🧩 词语组成解析
law
[lɔ:]
n. 法;法学;规律;法制;
vt.& vi. [口语、方言]诉诸法律，对…起诉，控告;
vt. 控告;对…起诉;
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
Who spoke a while ago?
刚才谁在讲话？
Is this one better?
这种更好些吧？