Steadfastness（[ˌsted'fəstnis]）：n. - 完整释义与助记

✅ 同义词

intent intention perseverance persistence persistency pertinaciousness pertinacity purpose purposefulness resoluteness resolution sedulousness soundness stalwartness steadiness sturdiness tenaciousness tenacity will willpower

steadfastness n [U].

Thanks, Grandpa. Please sit down.

谢谢你，爷爷。请坐。

It's all personal effects.

这些东西都是我私人用的

The basic features include a crest (the highest point of the wave),

它们的基本特征包括浪峰（波浪的最高点）

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