tin ·noun (METAL)
Definition: a silver-colored metal, often combined with other metals or used to cover and protect other metals Level: C2
曾经，这个国家生产了世界三分之一的锡。
At one time, the country produced a third of the world's ___tin.
他把它放在一个旧的锡盒里，藏在床下以防父母发现。
He kept it in an old ___tin box, hiding it under his bed in case his parents would discover it.
防腐蚀涂层通常含有一层锡以保护下面的钢材。
Corrosion-resistant coatings often contain a layer of ___tin to protect the underlying steel.