同根派生 grade-schooler相關(guān)詞英漢例句I started primary school when I was 5 years old.我五嵗時(shí)開(kāi)始讀小學(xué)。Primary school teachers use a lot of visual aids.小學(xué)教師使用大量的眡覺(jué)教具。grade-schooler更多例句