Dha
[化] 二十二碳六烯酸
🗣️ 情景例句
do you need any help?
需要帮忙吗？
I need the change for the stamp machine.
我需要投入自动售邮票机的零钱。
The weather's often cold in North and windy in the East.It's often wet in the West,and sometimes warm in the south.
北部的天气常常寒冷，东部则常常利风。西部常下雨，南部有时则很暖和。