Metacyclophane
[化] 间环芳
🗣️ 情景例句
Everything I earn helps us towards getting that house
我的每一笔进帐都可帮助我们得到那幢房子
He received full credit for his studies at a previous school.
他在一所先前的学校取得了所有课程的学分。
And why only snakes? Cats, for instance, would be greatly helped; no running fights with large, fierce rats or tussles with grown rabbits -- just a bite and no more effort needed.
为什么只有蛇才有毒液呢？譬如说，如果猫有毒液，那对猫会大有帮助，它就不必再和又大又凶的老鼠边跑边博斗了，也不必再和大兔子扭斗了，只要咬一口，就不必再费大力气。