over·layverbpresent simple - I / you / we / theyoverlayBrE/ˌəʊvəˈleɪ/NAmE/ˌoʊvərˈleɪ/present simple - he / she / itoverlaysBrE/ˌəʊvəˈleɪz/NAmE/ˌoʊvərˈleɪz/past simpleoverlaidBrE/ˌəʊvəˈleɪd/NAmE/ˌoʊvərˈleɪd/past participleoverlaidBrE/ˌəʊvəˈleɪd/NAmE/ˌoʊvərˈleɪd/ -ing formoverlayingBrE/ˌəʊvəˈleɪɪŋ/NAmE/ˌoʊvərˈleɪɪŋ/BrE/ˌəʊvəˈleɪ/NAmE/ˌoʊvərˈleɪ/[usually passive]~sth (withsth)(specialist) toputsthontopofasurfacesoastocoveritcompletely; tolieontopofasurface覆盖;包;铺;镀◆woodoverlaidwithgold包金木~sth (withsth)(literary) toaddsth, especiallyafeelingorquality, tosthelsesothatitseemstocoverit(尤指以感情或品质)撒满,遮掩◆Theplacewasoverlaidwithmemoriesofhischildhood. 这个地方处处都装点着他童年的回忆。
over·laynounBrE/ˈəʊvəleɪ/NAmE/ˈoʊvərleɪ/atransparentsheetwithdrawings, figures, etc. onitthatcanbeplacedontopofanothersheetinordertochangeit套图透明膜;上衬◆Anoverlayshowingpopulationcanbeplacedontopofthemap. 可以在地图上加一层显示人口的透明膜。athingthatislaidontopoforcoverssthelse覆盖物;涂层◆anoverlayoffibreglassinsulation玻璃纤维绝缘层