The snake has been named Silver Boa because it is metal-colored and the first specimen found was climbing a silver palm tree.

这条蛇被命名为银蟒，因为它呈金属色，并且第一个被发现的标本当时正在爬一棵银色棕榈树。

youdao

At first, the gugin had only five strings, representing the five elements of metal, wood, water, fire and earth.

起初，古琴只有五根弦，代表金、木、水、火、土五种元素。

youdao

First a hunk of metal; then a robot.

先有一大块金属；然后一个机器人。

youdao

The first computer mouse was a carved block of wood with two metal wheels.

VOA: special.2010.08.01

First a gold miner put dirt in a metal pan and added water.

VOA: special.2010.04.25

By that time the industry had gotten a big boost with the first metal stent for clogged arteries.

FORBES: On The Cover/Top Stories

Wiebe has been a longtime TaylorMade loyalist, going back to when they introduced the very first metal wood, a term that is no longer used, and he loved the new club.

FORBES: Golf's Hottest Club of 2013 - Now On Sale

Dr Sunderman was the director of one of the teams watching over the health of the atomic scientists and developed an antidote for a form of metal poisoning, first trying it out on himself.

ECONOMIST: William Sunderman