Quartic
a. 四次的\\nn. 四次方程
??? 情景例句
with Mr. Levine?
與Levine先生的邀約？
Love is sweet in the beginning,but sour in the end.
愛情先甜后來酸。
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我們喜歡入迷地看它們做事，它們不知道（但愿如此）我們就在它們身邊。