Baer's cavity
[医] 贝尔氏腔(囊胚腔)
🧩 词语组成解析
🗣️ 情景例句
What are you doing tomorrow night?
明天晚上做什么？
Time and words can never be recalled.
消逝的时间和说出的话不能追回。
He opened it and saw the man from downstairs.
他打开门，看见楼下人。