Nephrocoel
肾节腔
🗣️ 情景例句
I'd like to adopt her.
我愿意收养。
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
I don't know.
我不知道。