abrasion

n. 表面磨损(v. abrade)

aborigine, aborigines, abort, aborted, abortion, abortionist, abortive, abortively, abound, abound in, about, about-turn (US about-face), above, above all, above-board, above-mentioned, above-mentioned, above-named, aboveboard, abracadabra, abrade, abrasive, abreast, abridge, abridged, abridgement (also abridgment), abroad, abrogate, abrogation, abrupt, abruptly, abruptness, abscess, abscission, abscond, abseil, absence, absent, absent-minded, absent-mindedly, absent-mindedness,