Biosynthetic
a. 生物合成
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
Who are you writing to?
你在给谁写信？
Only in a sparsely-populated rural community is it possible to disregard it.
只有在人口稀少的农村，才可以忽视准时的习惯。