He slipped and fell on an airplane gangway as the cameras rolled.在摄像时他不慎滑倒在飞机座位间的通道上。A man in the gangway suddenly stood up to reach for something in the overhead locker.靠通道坐的一名男子突然起身去拿头顶上方行李舱里的什么东西。Walking along the nar...
The conical configuration of the appendix makes obstruction of the lumen unlikely.阑尾呈圆锥形,不易造成腔内梗阻.One solution flows through the central lumen of the fibers.一种溶液从纤维的中心腔流过.Reconnect main lumen to suction source.请将主腔管道连接吸引...