Inflating agent
[化] 发泡剂
🧩 词语组成解析
n. 加压；充气
🗣️ 情景例句
A table spoon is much bigger than a teaspoon.
汤匙要比茶匙大得多。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
He has pointed out that the tree is a useful source of income as tour-ists have been coming from all parts of the country to see it.
他指出，由于人们从全国各地纷纷前来参观这棵树，