The captain ordered that the guards unshackle and release the prisoner, as he had served his sentence.

The penis should be fully erect before commencing copulation.

Also it is advisable to distinguish this ( ˘ ˘ ) — ˘ ˘ — rhythm, where the princeps was probably shorter in duration than the biceps (as in the dactylic hexameter), from true (marching) anapaests, in which they were equal.

The timorous cowslips, one by one, / Trembling, chilly, atiptoe stand / On little hillocks and knolls alone; […]