Bisulfid
n. 二硫化物
🗣️ 情景例句
this community can do anything to benefit its citizens,
这个社区可做任何造福居民的事情，
Are you a native Chinese?
你是土生土长的中国人吗？
All the biscuits that were sent were carefully weighed.
凡送来的饼干都仔细地称量。