tentative species

基本解释

Tentative attempts to use cloning to bring back extinct species are already under way.
用克隆手段来使灭绝动物重新回到世界上的尝试工作已经开始。
The species’s history, from its tentative beginning in north-east Africa to its current imperial dominion, has already been revealed, just through being able to read the genome.
物种的历史，从基因组的阅读中我们已经读出从非洲东北部尝试性的开始到现在的帝国主义统治的历程。
The species's history, from its tentative beginning in north-east Africa to its current imperial dominion, has already been revealed, just through being able to read the genome.
此物种的历史，从非洲东北部试探性的开场到它现在帝王般的统治地位，仅仅通过阅读基因组就已经被揭露出来。