VOA慢速英语:Four New Elements Added to Periodic Table

短语讲解：

1. Four new chemical elements have been officially added to the periodic table.

add to 增加，加强
例句：I have nothing to add to my earlier statement.
我对我先前说的话, 没有什么补充的。

2. Moscovium is named after Moscow, the Russian capital. Oganesson is named in honor of the 83-year-old Russian researcher Yuri Oganessian.

in honor of 为了向…表示敬意
例句：They erected a memorial in honor of the martyrs.
他们为烈士建了纪念碑。

3. A group of Japanese researchers came up with the name for the fourth new element, Nihonium. The word “Nihon” means Japan in Japanese.

come up with 想出; 提出; 追赶上
例句：Slow down a bit and let me come up with you.
跑慢一点让我赶上吧。

4. The names must have endings like “-ium,” “-ine” or “-on,” depending on the grouping of elements they belong to.

belong to 属于
例句：I belong to no party.
我不属于任何派别。