Chemical activation

chemical ['kɛmɪkl]

adj. 化学的;用化学方法制造的，化学作用的; n. 化学药品，化学制品;

chem化学 + ical ...的 → a.化学的 n.化学制品

activation [,ækti'veiʃən]

n. 活化，激活，[化]活化作用;致活;

Would you describe yourself as outgoing or more reserved?

你认为你是个外向的人还是内向的人？

He has a ring.

他有一只戒指。

On the subject of reading, Francis Bacon, who lived at about the same time as shakespeare, wrote these words, Some books are to be tasted, others to be swallowed, and some few to be chewed and digested. This good advice shows how it is possible to read

“有些书是应当尝尝滋味的，有些书是应当吞食下去的，有少数书是应当咀嚼和消化的。”这个忠告很好，它表明可以用不同的方法来阅读不同类型的书。