Prebiotic
a. 生命起源以前的
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
He who follows two hares is sure to catch neither.
追逐两只兔，两头都落空。
They have all been put to shame by a boy who, while playing truant, travelled 1,600 miles.
而有那么一个小男孩，他在逃学期间旅行了1，600英里，从而使上述所有逃学的孩子们都相形见绌了。