用“on the abacus”造句大全，on the abacus造句
Sheknewhowtoworkontheabacus.Asthestudentslearntomanipulatethebeadsontheabacus,theylearntoaddandsubtract.Startingthisyear,therewillbeaseparateadvancedclassforthestudentswhowishtocontinueandperformharde...
用“work an abacus”造句大全，work an abacus造句
useanabacus;workanabacusDoyouknowhowtoworkanabacus?...
用“abacus”造句大全，abacus造句
useanabacus;workanabacusIcanuseabacusskillfully.Learnhowtouseanabacus.Theyalsolearnedtousetheabacus.InEnglishwecallitanabacus.ButIaminterestedinusinganabacus.Effectsofmentalabacuscalculationoncognitiv...