Prebiotic
a. 生命起源以前的
🗣️ 情景例句
Would that be satisfactory?
你觉得满意吗？
Our own actions are our security, not others' judgements.
我们的行为是自己的保证而不是别人的鉴定。
After a long period of rain the river may overflow its banks.
久雨这后，河水会泛滥成灾，