So overwhelming was the excitement that overtook us when substances were found to potently inhibit the protease enzyme, thereby blocking viral replication in the test tube.
我们发现了一种物质，有可能抑制蛋白酶，从而阻止病毒在试管中繁殖，那时我们真是兴奋得难以自已。
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For instance, they might construct a compound that inhibits the active site of an enzyme crucial to viral reproduction.