n. 下划线 V-T If you underline something such as a word or a sentence, you draw a line underneath it in order to make people notice it or to give it extra importance. 在……下面画线； v. Underline the sentence.
n. 下划线 V-T If you underline something such as a word or a sentence, you draw a line underneath it in order to make people notice it or to give it extra importance. 在……下面画线； v. Underline the sentence.