Homotropilidene
双环辛二烯
🗣️ 情景例句
Rules are meant to be followed, not broken.
规则制订出来是让人遵守，而不是让人破坏。
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
You have to be able to check instructions.
你必须会查对说明。你必须会筹划工作。