Haemocoele
n. (=hemocoele)节足动物的血管体腔
🗣️ 情景例句
Protein, vitamins.
蛋白质， 维他命。
The world is but a little place, after all.
有缘千里来相会。
Is the population of the world still growing?
世界人口仍然在增长吗？