常見(jiàn)例句雙語(yǔ)例句The study aims at answering three questions: (1) frequency of learning strategies usage;該項(xiàng)研究所要解決的問(wèn)題有三個(gè)：（1）學(xué)生使用語(yǔ)言學(xué)習(xí)策略的頻率； 返回 answering frequency