记20个单词需要多久（20秒记一个单词第328个）
记20个单词需要多久（20秒记一个单词第328个）
Their efforts to revive him were futile.
他们努力使他苏醒 但失败了。
英语解释：having no purpose because there is no chance of success 徒然的；无效的
记20个单词需要多久（20秒记一个单词第328个）
Their efforts to revive him were futile.
他们努力使他苏醒 但失败了。
英语解释：having no purpose because there is no chance of success 徒然的；无效的
