fling oneself into的用法和样例：
例句
用作动词 (v.)
- I dropped the letter into the mail-box.
我将信投入信箱。 - He flung himself into the election campaign.
他全力投入竞选运动。
词汇搭配
- fling oneself into the breach 挺身担当重任...
- fling oneself into 投入
