圣诞岛红蟹的甲壳和圆形的肩甲包裹着它们的肺和鳃。
The Christmas Island red crabs' carapace is round shouldered and encloses their lungs and gills.
成年圣诞岛红蟹或许一年只蜕一次壳，因为它们生长缓慢。
Mature Christmas Island red crabs probably moult only once a year, as their growth rate slows.
圣诞岛红蟹在生长的初期阶段定期脱壳来使之符合自己的身体大小。
The Christmas Island red crabs moult their shells regularly during their early growth phases to match their increasing body size.
圣诞岛红蟹在生长的初期阶段定期脱壳来使之符合自己的身体大小。
The Christmas Island red crabs moult their shells regularly during their early growth phases to match their increasing body size.
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