满脸笑的英语短语可以用 "beaming" 来表示。例如：
She was beaming with happiness when she saw her new puppy.
她看到新的小狗时，脸上洋溢着幸福的笑容。
也可以用 "grinning from ear to ear" 来表示。例如：
He was grinning from ear to ear when he heard the news.
当他听到这个消息时，他满脸笑容。
还可以用 "smipng from cheek to cheek" 来表示。例如：
She was smipng from cheek to cheek when she saw her surprise party.
当她看到自己的惊喜派对时，她满脸笑容。
希望这些信息能帮到你！
She was beaming with happiness when she saw her new puppy.
她看到新的小狗时，脸上洋溢着幸福的笑容。
也可以用 "grinning from ear to ear" 来表示。例如：
He was grinning from ear to ear when he heard the news.
当他听到这个消息时，他满脸笑容。
还可以用 "smipng from cheek to cheek" 来表示。例如：
She was smipng from cheek to cheek when she saw her surprise party.
当她看到自己的惊喜派对时，她满脸笑容。
希望这些信息能帮到你！