well up

英文造句：

1. He tucked her robe well up to her knees.
   她把袍子高高卷到膝蓋。
2. Joy welled up in his heart.
   歡迎湧上他的心頭。
3. He's well up in all the latest developments in the industry.
   他很熟悉這個行業中所有的最新情況。
4. Tears welled up in her eyes.
   淚水湧上她的眼眶。

英文解釋：

動詞 well up:

1. come up (as of feelings and thoughts, or other ephemeral things)
   同義詞：swell