Light actinide
[化] 輕錒系; 輕錒系元素
?? 詞語組成解析
light
[la?t]
n. 光;發光體;電燈;點火器;
adj. 輕的;明亮的;淺色的;少量的;
v. 點燃;照亮;用光指引;
adv. 輕地，輕裝地;
n. [化]錒類
??? 情景例句
If there's anything you need, just knock on my door.
有什么需要幫忙的話，盡管敲門來找我。
Splendid.
很好。
Good idea! That is much better than watching a bad TV programme!
好主意！這比看破電視節目要好多了。