B. s.
[医] 呼吸音, 血糖
🗣️ 情景例句
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
I'm afraid not. She doesn't have any openings in the morning.
恐怕不行。上午她没有空。
Little by little the eleven minutes fell to zero.
慢慢地从11分钟减到了零。