学习如何在英语句子中使用 on the cusp。超过 5 条精选例句，附带译文。适配手机，完全免费。由 Mate 提供支持。
She was on the cusp of a breakthrough when the fire alarm went off.
We are on the cusp of a big breakthrough.
We're on the cusp of summer now.
on the cusp of stardom
on the cusp between adulthood and old age
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