例句：

　　I had a sensation of falling, as if in a dream.

　　我有一種墜落的感覺(jué)，像在夢(mèng)中似的。

　　I don't feel as if I belong here.

　　我在這里感覺(jué)格格不入。

　　I felt as if my heart had stopped.

　　我覺(jué)得好像我的心都不跳了。

　　I ate as if there was no tomorrow.

　　我狼吞虎咽地吃著。

　　He suddenly appeared as if by magic.

　　他突然神奇地出現(xiàn)了。