Autoreaction
[化] 自反應(yīng)
??? 情景例句
Hi, Robbie.
嗨， Robbie。
The little boy grew red at the sight of the cute girl.
那個(gè)男孩子見到可愛的女孩而滿臉通紅。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特別重，可誰也弄不清是怎么回事。