单词	trigraph
释义	trigraph /ˈtrʌɪɡrɑːf / noun A group of three letters representing one sound, for example German sch-.If three letters together represent a single sound, they constitute a trigraph, such as tch in catch and sch in schmaltz.... Similarly, to take the consonant trigraph t c h, the teacher can explain that in this word the three letters together ‘say’ the sound. Both digraphs and trigraphs in French have their origin in history and phonology.
随便看	petroleum spirit petroleum well petroleur petroleuse petrol gage petrol gauge petrolhead petrolic petroliferous petroline petrol injection petrolization petrolless petrol lighter petrologic petrological petrologist petrology petrol pump petrol sniffer petrol sniffing petrol station petrol tank petrol tank cap petromax

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。