Agar’s low viscosity also makes it easy to pour into Petri dishes, and its transparency permits observation of microbes growing on its surface.7 Also aiding in this is its low syneresis (extrusion of water from the gel), guaranteeing less surface “sweating”: Once a plate is inoculated, bacterial colonies stay in place and do not mix.
有時，反覆念著相同的聲調讓我快睡著；老實說，我完全沒有依據科學推理作答。例如，我把 lu‑fah 聯想到「搓澡巾」（loofah），因此將它配對到一個看起來有柔軟小刺的物體上！
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