The palm of one's hand is slightly concave.人的手掌是微凹的.The cloven hooves are sharp edged , elastic and concave.蹄锋利,呈凹形, 富有弹性.In adults its contour may be straight, slightly concave or slightly convex.成人肺其形状可以是直的, 轻微凹下或...
The town has been heavily bombarded by the army backed by the airforce.该镇遭到了有空军掩护的陆军部队的猛烈攻击。...a series of airforce strikes that put paid to the General's hopes of fighting on...一连串空中打击粉碎了那位将军继续战斗的希望The Royal Airfor...