4. The hovercraft travelled first over the water, then mounted the beach, climbed up the dunes, and sat down on a road. 气垫船先是在水面上行驶,后又登上海岸,爬上沙丘,最后停在路上。
5. Two assistants, mounted on tame elephants, control the captive from either side, 两位助手骑在驯服的象的背上,从两侧控制新捕的象,