When viewed from the side, you should see a "tucked up" area just before the hind legs (not a flat line along the base of the belly).
从侧面看，在后腿前方应当能看到“折起”的区域，而不是一条线平坦地画过腹部底端。
Ruth dropped to her knees, then lay flat on her belly as she scooted herself closer and closer to the edge of the cliff.
露丝跪下来，俯卧在地上，然后快速向悬崖的边沿爬过去。
Ruth dropped to her knees, then lay flat on her belly as she scooted herself closer and closer to the edge of the cliff.
露丝跪下来，俯卧在地上，然后快速向悬崖的边沿爬过去。
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