Nickelocene
二茂镍
🗣️ 情景例句
If I fail this test I'll kill myself.
我这次考试要是通不过，就得自杀了。
Of two evils choose the least.
权衡两害，取其轻者。
Which do you prefer, horse riding or shooting?
你比较喜欢哪一种呢，骑马还是射击？