Hexanaphthene
n. [化]环己
🗣️ 情景例句
Richard, if you go out
Richard，假如你去
Gordon was not upset by his failure.
哥顿对他的失误既不惊讶也不生气。
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。