Thujane
烷, 1-甲-4-异丙-2,4-桥环己烷
🗣️ 情景例句
Blackjack.
二十一点！
I was thirty on my last birthday.
我在我最后一个生日时30了。
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有时，保密竟达到了这样的程度，即连研究工作的整个性质都不准提及。