Diboride
二硼化物
🗣️ 情景例句
No. I want to leave it in Chicago.
不。我想把它留在芝加哥。
A smooth sea never made a skillful mariner.
平静的海洋练不出熟练的水手。
The third person who lit a match started the fire.
第三个工人擦亮一根火柴就引发了火灾。