v. 慢慢地沸腾；用温火慢煮（simmer的过去分词形式）
adj. 文火炖的；煨的

Simmer \Sim"mer\, v. i. [imp. & p. p. {Simmered}; p. pr. & vb.
n. {Simmering}.] [Prov. E. also simper; -- an onomatopoetic
word.]
To boil gently, or with a gentle hissing; to begin to boil.

I simmer as liquor doth on the fire before it beginneth
to boil. --Palsgrave.