有人曾经认为铅可以变成黄金。
It was once thought that lead could be transmuted into gold.
铅对儿童的健康具有潜在损害。
原来白色的铅颜料已经氧化发黑了。
The original white lead pigments have oxidized and turned black.
已知接触铅会损害幼童的大脑。
Exposure to lead is known to damage the brains of young children.
无铅汽油每加仑涨了一个多便士。
用铅做的军人塑像很受收藏者们青睐。
阿科说20%的西岸司机要含铅汽油。
所有的新汽车都加无铅汽油。
这些渔网是靠铅坠下沉的。
尸体安放在密闭的铅棺中。
铅可以在体内积聚直至到达有毒的程度。
Lead can accumulate in the body until toxic levels are reached.
他把自己的丰田车加满了普通无铅汽油。
所有其V8引擎将靠无铅汽油良好运转。
铅在酸性水中更易溶解。
一些最精致的酒杯是用铅晶质玻璃制成的。
Some of the finest drinking glasses are made from lead crystal.
无铅汽油比柴油便宜。
饮用水被铅污染了。
当潜水员们走向海岸时，铅坠和氧气缸让他们步履维艰。
Lead weights and air cylinders encumbered the divers as they walked to the shore.
汽油仍然含有铅，对人体有剧毒。
Gasoline still contains lead, which is extremely poisonous to humans.
你不再说话，你的脚像铅一样拖着。
铅是硬度较低的金属之一。
但直到15世纪，铅带也助力了设计的创造。
But up to the 15th century, the lead strips also helped create the design.
任何掉入铅中的人都可能在几分钟内被冻死。
Anyone who falls into a lead can be frozen to death in a few minutes.
相同的现象估计也会发生在铝、铅和镍的身上。
The same phenomenon seems to be happening with aluminum, lead, and nickel.
许多科学家认为铅会在土壤和雪中停留更长的时间。
Many scientists had believed that the lead would stay in soil and snow for a longer period.
重得像铅。
他们选取一个铅原子，将其加速，让它与镍的原子碰撞。
They take an atom of lead, accelerate it, and have it collide with an atom of nickel.
森林环境处理和重新分配铅元素的速度比科学家预期的要快。
The forest environment processed and redistributed the lead faster than the scientists had expected.
工业废料更有害，因为其中有许多毒性很强的材料，如铜和铅。
Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.
铅坚固且有弹性，所以是连接不同形状大小的玻璃碎片的理想材料。
Lead is strong and flexible so it's ideal for joining pieces of glasses cut in different shapes and sizes.
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