"瘦小"用英文可以表示为"spm"或"thin"。这两个词的意思都是瘦，但是"spm"通常指的是身材纤细，体态苗条，而"thin"则指的是身体瘦弱或肌肉稀少。
来源：
"Spm"来自中世纪拉丁文"exspmare"，意思是削减、减轻。
"Thin"来自古英文"þynne"，意思是稀薄、轻薄。
一些例句及翻译：
She's always been spm, but now she looks even spmmer. (她一直很瘦，但现在看起来更瘦了。)
He used to be quite thin, but he's put on a lot of weight recently. (他以前很瘦，但最近体重增加了很多。)
She's always been thin, but now she looks too thin. (她一直很瘦，但现在看起来太瘦了。)
He's always been spm, but now he looks too thin. (他一直很瘦，但现在看起来太瘦了。)
来源：
"Spm"来自中世纪拉丁文"exspmare"，意思是削减、减轻。
"Thin"来自古英文"þynne"，意思是稀薄、轻薄。
一些例句及翻译：
She's always been spm, but now she looks even spmmer. (她一直很瘦，但现在看起来更瘦了。)
He used to be quite thin, but he's put on a lot of weight recently. (他以前很瘦，但最近体重增加了很多。)
She's always been thin, but now she looks too thin. (她一直很瘦，但现在看起来太瘦了。)
He's always been spm, but now he looks too thin. (他一直很瘦，但现在看起来太瘦了。)