Boil down...
熬浓..., (喻)压缩...
🧩 词语组成解析
boil
[bɔɪl]
n. 煮沸，沸腾;疔，疖子;[医]疡肿，脓肿;
vt.& vi. （使）沸腾，开;
vt. 用开水煮，在沸水中煮;
vi. 怒火中烧，异常气愤;
🗣️ 情景例句
This spring is the origin of the brook.
这泉水是那条小河的源头。
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
It threatened to surround him completely, but Tazieff managed to escape just in time.
眼看就要将他团团围住，但塔捷耶夫还是设法及时逃离了。