antisubmarine hydrofoil反潜水翼艇Why can a hydrofoil move on a layer of air?为什么气垫船能靠后方的气流移动?The hydrofoil soon speeded up.那艘水翼船不久就增加速度.I rode a hydrofoil ferry across the bay this morning.今天早上我驾驶快艇驶过海湾....
新鲜空气的康复功效the restorative power of fresh air飞机须克服空气的阻力.An aircraft has to overcome the resistance of the air.空气的激流导致飞机翻转.The turbulence caused the plane to turn over....
这就为前肠和中肠的邻接部分提供了神经.This innervate the adjacent region of the fore and middle intestine.粘液细胞分布于前肠的前段和排泄腔.The mucous cells lie in the anterior part of the foregut and cloaca....