Bismuthic acid
[医] 铋酸
🧩 词语组成解析
[机] 铋的, 五价铋的
🗣️ 情景例句
How long is this flight?
这趟飞行有多长时间？
I ought to make a phone call.
我应该打个电话。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。