Bioactive
a. 生物活性的
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
The days are getting longer.
白天越来越长了。
he always insisted that it should be written out in full.
但他还是坚持要求将信的全文写在信纸上。