He was not in his office and I eventually tracked him down in the lab. So we discussed the problem then and there.
他不在办公室，最后我在实验室里找到了他，在那里我们当场讨论了那个问题。
The Powell structural research lab at the university of California at San Diego tests new bridge materials such as carbon and fiberglass polymers.
位于圣地亚哥的加州大学鲍威尔建筑实验室试制出了新的桥梁建筑材料，如碳和玻璃纤维聚合体。
