n.琼脂， 洋菜

agar is commonly used as a gelling agent in the preparation of jams and jellies.
agar通常用于制作果酱和凝胶。
The bacteria grew well on the agar plates, forming colonies.
细菌在琼脂平板上生长良好，形成了菌落。
The scientist mixed agar with water to create a nutrient-rich medium for cell cultures.
科学家将琼脂与水混合，以创造适合细胞培养的营养丰富的介质。
She prepared the yeast culture in a Petri dish with agar as the base.
她在含有琼脂的培养皿中制备酵母培养液。
The recipe calls for 2% agar to set the dessert.
配方需要2%的琼脂来使甜点凝固。
Agar is a natural polysaccharide extracted from certain red algae.
琼脂是从某些红藻中提取的一种天然多糖。
The microbiologist observed bacterial growth in different concentrations of agar.
微生物学家观察了不同浓度琼脂中的细菌生长。
The agar was heated until it reached its melting point before being poured into molds.
在倒入模具之前，琼脂被加热至熔点。
Agar is often used as a non-toxic alternative to gelatin in vegan recipes.
琼脂常被用作素食食谱中胶原蛋白的无毒替代品。
The lab technician carefully layered agar and bacteria samples to study their interaction.
实验室技术员仔细分层放置琼脂和细菌样本，研究它们之间的相互作用。