Each line is divided by a caesura into two halves; and there are two stresses in each half, falling on the alliterative consonants or vowels. 每行诗以中间停顿分作两个半行,各有两个重读词,或为辅音头韵,或为元音头韵。
caesura caesurae
[ noun ]
a pause or interruption (as in a conversation)
<noun.time> after an ominous caesura the preacher continued
a break or pause (usually for sense) in the middle of a verse line
<noun.communication>
caesura \cae*su"ra\, n.; pl. E. {caesuras}, L. {C[ae]sur[ae]} [L. caesura a cutting off, a division, stop, fr. caedere, caesum, to cut off. See {Concise}.] A metrical break in a verse, occurring in the middle of a foot and commonly near the middle of the verse; a sense pause in the middle of a foot. Also, a long syllable on which the c[ae]sural accent rests, or which is used as a foot.
Note: In the following line the c[ae]sura is between study and of.
The prop | er stud | y || of | mankind | is man.
2. a pause or interruption (as in a conversation); as, after an ominous caesura the preacher continued. [WordNet 1.5]