Bisaccate
双气囊
🗣️ 情景例句
Scientists have confirmed that the Earth is, indeed, round.
科学家证实，地球确实是圆的。
There is a skeleton in every house.
每座房子都有骨架。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。