释义
v.
give off (a liquid, light, smell, or quality)
倾出，溢出，发出（液体，光，气味）；散发出；流露出。
[no obj.]talk in an unrestrained, excited manner
热情洋溢地说，滔滔不绝地说
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this was the type of material that they effused about .这就是他们兴奋地谈论过的那种材料。
词源
"late Middle English： from Latin