他在灌木丛林地中漫游了数周。

He spent weeks wandering in ___the ___bush.

整整三天，我们都在茂密的灌木丛林地中艰苦跋涉。

For three days, we trekked through the dense ___the ___bush.

她对在澳大利亚灌木丛林地中发现的独特昆虫进行了实地研究。

She conducted field research on unique insects found in the Australian ___the ___bush.