Gratefulness
n. 感激, 感恩
✅ 同义词
🗣️ 情景例句
Who do you think you are kidding.
你想要蒙谁呢？
United's Flight 102 leaves at 9:20.
联合公司的102次班机9点20分起飞。
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）