她把一头稀疏的浅黄色头发向后梳，挽成了个圆髻。She had pale thin yellow hair she pulled back into a bun.稀疏的灰白头发披散在她肩头。Grey wispy hair straggled down to her shoulders.稀疏的植物只够喂养少量的动物.The sparse vegetation will only feed a small population of anim...
文昌中学是海南最好的中学之一.Wenchang High School is one of the best middle schools in Hainan.文昌13-1油田砾石充填出砂模拟实验与合理配产研究.The sanding experiment and rationally well fluid studied of Wenchang 13 - 1 oil field.文昌A凹陷储集层可分为砂体储集层和裂缝型储集层两大类.T...
与水平安定面相连的是两个称为 “ 升降舵 ” 的可动操纵面.Attached to the stabilizers are two movable surface called " elevator ".俯仰力矩的变化由升降舵的偏转来提供.A variable pitching moment is provided by moving the elevator.飞机的升降舵可以使它升降自如.The elevator of an airc...