Search the dictionary A Chinese word or character, or English Draw a character Search Read this way 2 entries. ā'ěrfǎlìzǐ 阿尔法粒子 alpha particle (helium nucleus) ā'ěrfǎlìzǐ 阿爾法粒子 alpha particle (helium nucleus) In the English definitions No entry here is defined with every word of ā'ěrfǎlìzǐ. These use some of them. 2 entries. diàohào 调号 tone mark on a Chinese syllable (i.e. accents on ā á ǎ à) diàohào 調號 tone mark on a Chinese syllable (i.e. accents on ā á ǎ à)