常見例句I mind my p's and q's whenever I see him. 每儅我見到他我都謹(jǐn)慎行事。In English, b, p, m and w are bilabials. 英語中的b、p、m、w爲(wèi)雙脣音。AB and CD intersect at (the point) P. AB線和CD線在P點相交。The time now is 10:00 p, m, sharp. 現(xiàn)在的時間是晚上10點整。The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不發(fā)音。The light now shining on P is called incident ray. 射到P點的光叫做入射光線。 返回 p-Pentoxyphenol