Meanwhile , bacteria keep the fungi healthy by secreting antibiotics .

同时，细菌会通过分泌抗生素维持这些真菌菌落的健康生长。

These forces allow a gecko to cling to almost any surface , without secreting a sticky substance .

就是凭借着这些范德瓦尔斯力，壁虎就能无需分泌粘性物质，便可以几乎吸附在任何表面上。

Here , cytotoxic t lymphocytes ( green ) kill virally infected and tumor cells ( red ) by secreting cytolytic proteins .

图中，细胞毒性t淋巴细胞（绿色）正在通过分泌溶细胞蛋白来杀灭受病毒感染细胞和肿瘤细胞（红色）。

Yet the iron intake is generally higher than what the bat needs , so it has a special process for secreting the excess .

然而，蝙蝠摄入的铁一般比实际需要量大，因此它还具有分泌过剩铁质的特殊过程。