Tisab
[化] 总离子强度缓冲剂
🗣️ 情景例句
My first grandchild.
我的第一个孙子。
I went to bed at 11:30 p.m.
我在晚上11:30点睡觉了。
Which speech are you going to listen to this afternoon?
今天下午你准备去听哪个报告？