Physarsterol
粘菌甾醇
🗣️ 情景例句
It's been great talking to you.
和你谈得真高兴。
I've come to say goodbye.
我是来告别的。
Sometimes a tame elephant is tethered nearby to give the wild one confidence,
有时，把一头已驯服的象拴在旁边能给野象以信心。