Bismuth oxide
[医] 氧化铋
🧩 词语组成解析
bismuth
['bizməθ]
n. 铋;
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
I must meet the deadline.
我必须赶上最后期限。
What sort of guarantees are there against late delivery?
惩罚延迟发货有什么保证呢？
Why? One difficulty is to construct the agreements.
为什么呢？困难之一是起草这些协议。