Sterin
硬脂酸甘油酯, 硬脂酸精
🗣️ 情景例句
I was teaching music,
我当时教音乐，
I meet the boy whose aunt is a reporter.
我遇到那个男孩的姑妈是记者。
George took off his jacket, rolled up his sleeves and pushed is right arm through the drain cover.
乔治脱掉外套，卷起袖子，将右胳膊伸进了阴沟盖。