1·Carrageenans are gel-forming hydrocolloids extracted from the cell walls of marine red algae, such as Eucheuma, Chondrus, Gigartina, Hypnea.
卡拉胶是一种红藻多糖，主要存在于红藻纲中的麒麟菜属、角叉菜属、杉藻属和沙菜属等生物的细胞壁中。
2·Agar is complex polysaccharide, extracted from red algae.
琼脂是一种从红藻中提取的复杂的多糖。
3·The red sea often looks red because of red algae that live in this sea.
红海往往看起来是因为在这个红色藻类红色的大海之中。
4·Nor is it water dyed by red algae, as early Antarctica pioneers first speculated.
之前南极考察开拓者推测是红藻玷染了湖水，这也并非正解。
5·I don't know, the red algae is able to reduce the content of NO3 in the aquarium.
我不知道，这种红色藻是否能够降低鱼缸内的NO3含量。
6·Possibly it is red algae because of pollution that makes the sea red and poisonous or the sea becomes over salty.
也许是红藻的污染让海变得又红又有毒，或是海水变得过咸了。
7·Extracted from a type of red algae (of the Gelidium and Gracilaria genera), AGAR is a gelling agent used in Japan since the 15th century.
提取的一种红藻(的Gelidium和江蓠属)，琼脂是一种胶凝剂在日本使用，因为15世纪。
8·"The heat wave and pollution flushed into the lakes by the rains in May are causing red algae to thrive, " Xingqing Palace Park`s spokesman Liang Zibin said.
兴庆宫公园的发言人梁子斌说：“五月的雨水将一些污染物冲入湖中，再加上持续高温使得赤藻大量繁殖。”
9·Wu A P, Zhang T T, He M, et al. preliminary study on the allelopathic inhibitionof Salicylic acid on red algae blooms fish and its relevant toxicology[J]. Journal of Biology, 2008,25(5):44-47.
吴安平，张庭廷，何梅，聂刘旺。水杨酸对水华鱼腥藻的化感抑制作用及相关毒理学的初步研究[J]。生物学杂志，2008，25（5）：44-47。
10·This would not be true of red and brown algae.
红藻和褐藻就不是这样了。