名詞 carapace:

1. hard outer covering or case of certain organisms such as arthropods and turtles
   同義詞：shell, cuticle, shield

car.a.pace

n.（名詞）
Zoology A hard bony or chitinous outer covering, such as the fused dorsal plates of a turtle or the portion of the exoskeleton covering the head and thorax of a crustacean.
【動物學】 硬殼，背甲，頭胸甲：一種硬骨質(zhì)或甲殼質(zhì)外部覆蓋物，如海龜融為一體的背部板形器官，或甲殼綱動物覆蓋頭胸部的外骨骼部分
A protective, shell-like covering likened to that of a turtle or crustacean:
外殼，外表：類似海龜或甲殼綱動物的背甲或頭胸甲的防護性殼狀覆蓋物：
例句：
.He used to worry that Sarah would age the same way, develop the same brittle carapace.(Anne Tyler)
.他過去常擔憂莎拉也同樣會蒼老，外表變得同樣冷漠.(安妮·泰勒)

來源：
French
法語
from Spanish carapacho
源自 西班牙語 carapacho