observe

v. /əbˈzɝːv/ B1

观察；注意到

To watch carefully, especially in order to learn or notice something.

仙境例句

Looking closely, Alice observed a big tear rolling down the Mock Turtle's cheek.

爱丽丝仔细一看，注意到一大滴眼泪正顺着假海龟的脸颊滚下来。