tinkering

n.熔补；铸补

动词tinker的现在分词形式.

Synthetic biology is more than the mere tinkering of biotechnology. 合成生物学不完全等同于基因熔补术，因为后者仅仅移植单个基因。

Even plastic litter, which once threatened to permanently blot the landscape, has proved amenable to molecular tinkering. 即便是塑料垃圾，这种一度威胁着会永久破坏环境的东西，也被证明是可以进行分子级别的熔补的。