Each well contains growth medium spread with Bacillus stearothermophilus spores.

每口井都含有嗜热脂肪芽孢杆菌孢子的生长培养基。

youdao

He took the contents of the ancient bee's stomach, suspended it in saline, and spread it on a growth medium.

他取走了这支古老蜜蜂的胃部，把它放入盐水中，并在上面涂抹一层培养介质。

youdao

“While in the short-run, the nonpoor may be the most affected by the crisis, the adverse impacts are likely to spread in the medium-term to poor households,” the paper says.

“虽然短期内非贫困人口遭受的影响可能最为严重，但不利影响很可能在中期内向贫困家庭蔓延，”报告指出。

youdao

Another collar that goes well with a sport coat sans tie is the semi- or medium-spread collar as both "stand up on their own without a tie, " and don't flare out.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face

These additions reflect what Defra believes are areas which are at greatest risk from the geographic spread of TB "in the short to medium term".

BBC: New bovine TB measures introduced in England