out adv.出；在外；完prep.向外；在外面v.出来；暴露；驱逐；熄灭；伸出；公开…的同性恋身份
water n.水；海域；雨水；海水v.给...浇水；给...供水；加水稀释；充满眼泪；给...水喝
双语例句
The prediction theory and forecast method of tunnel water gushing in karst areas have long been a difficult hydrogeological problem. 摘要岩溶地区隧道地下水涌水预测方法和理论是长期以来难以突破的水文地质难题。
