Dha
[化] 二十二碳六烯酸
🗣️ 情景例句
Yes?
是吗？
The crow thinks his own bird fairest.
乌鸦总以为自己的雏鸟最美。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。