To test the methylmercury link, Drevnick's team has begun new experiments with sediment samples collected from Cornwallis Island, Canada.
为了测试甲基汞的联接关系，德莱夫尼克的团队已经开始对从加拿大康沃利斯岛收集的沉积物样本进行新的试验。
Greatly helped by the French Navy, American and French troops closed in on the British forces in Yorktown, Virginia, commanded by General Cornwallis.
由于法国海军的大力帮助，美法联军在维吉尼亚的约克镇逼近由康沃利斯领导的英军。
Greatly helped by the French Navy, American and French troops closed in on the British forces in Yorktown, Virginia, commanded by General Cornwallis.
由于法国海军的大力帮助，美法联军在维吉尼亚的约克镇逼近由康沃利斯领导的英军。
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