短語詞組短語be good at doing sth 擅長(zhǎng)做某事;擅長(zhǎng)於做某事;擅長(zhǎng)於乾某事;擅長(zhǎng)be good at doing something 是什麼意思To be good at doing 擅長(zhǎng)做 返回 be good at doing