堿性染色劑basic: Basic ＝ Basic English. stain: vt. 1.弄臟，染污 (with); 沾污，玷污(名譽(yù) ...stains: 木料染色劑; 斯坦; 污點(diǎn)absence of stains: 沒(méi)有污染bate stains: 脫斑, 脫灰下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
