Chitinous wall
[医] 甲壳质壁
🧩 词语组成解析
a. 几丁质的, 甲壳质的\\n[医] 壳质的
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
I learned Japanese yesterday.
我昨天学日文。
What did you do at the meeting?
你们在会上做什么呢？