Sde
提交/投递实体
🗣️ 情景例句
I'm sure I did.
我确信我安排了什么事。
He's absorbed in his book.
他全神贯注地读书。
Even if two of these were flooded, she would still be able to float.
即使有两个舱进水，仍可漂浮的水面上。