Pentacite
季戊(四醇)醇酸树脂
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
I'm flattered.
过奖了。
You may be interested in only some of the items.
你也许对某些产品感兴趣。