#lead
3 条发现 · 精选自开放网络的发现,按时间从新到旧。
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Woman who flew with swans warns of lead danger
Sacha Dench, known as the "human swan", welcomes new laws banning the sale of lead ammunition.
BBC Science · EN
3 条发现 · 精选自开放网络的发现,按时间从新到旧。
Sacha Dench, known as the "human swan", welcomes new laws banning the sale of lead ammunition.
BBC Science · EN