17、 But the wild child boldly gets rid of him with a fluid shield and has yielded a building without welds.

翻譯：但這狂野的小孩勇敢地以一種流體質(zhì)除去了他，成功地生產(chǎn)了一座無焊點(diǎn)的建筑。

英英詳解：

bold
1. not afraid of taking risks and making difficult decisions:
2. so confident or determined that you sometimes offend people:

fluid
a liquid (↪ gas, solid):

shield
a) a large piece of metal or leather that soldiers used in the past to protect themselves when fighting
b) a piece of equipment made of strong plastic, used by the police to protect themselves against angry crowds (= riot shield)

yield
to produce a result, answer, or piece of information:
to produce crops, profits etc:

weld
to join metals by melting their edges and pressing them together when they are hot: