B-b fraction
[化] 丁烷-丁烯馏分
🧩 词语组成解析
🗣️ 情景例句
without cultural programs in our school.
我们的学校里没有文化活动。
Mother's apple pie always tastes delicious.
妈妈做的苹果派很好吃的！
If you expressed doubt or surprise, he would immediately invite you to smell it and then to rub some into your skin.
如果你表示怀疑或惊奇，他会立即请你闻一闻，然后取出一些抹在你的皮肤上。