Impulse action
[化] 推进作用
🧩 词语组成解析
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
Thank you.
谢谢。
She is supposed to be one of the best singers.
大家认为她是最有名气的歌星。
They were climbing up the wall of the house and then on to the leaves of the tree.
它们正在顺着房子的外墙往上爬，然后爬上树叶。