pa.ren.the.sis
n.（名词）
【复数】 par.en.the.ses[-sôz.] 缩写 par.,paren.
Either or both of the upright curved lines, ( or ), used to mark off explanatory or qualifying remarks in writing or printing or enclose a sum, product, or other expression considered or treated as a collective entity in a mathematical operation.
圆括号，圆括弧：两个直立曲线或其中之一，（或），用于标出解释文字及书写或打印中的限定语或包含一个和、积或其它在数学运算中作为或被当作是一个集体的性质的表达式
A qualifying or amplifying word, phrase, or sentence inserted within written matter in such a way as to be independent of the surrounding grammatical structure.
插入成份，插入词：在书写中插入的与上下文的语法结构没有关系的限定或补充的词、短语或句子
A comment departing from the theme of discourse; a digression.
插话，插曲，穿插：与讨论的主题无关的看法；离题话
An interruption of continuity; an interval:
间歇，停顿：连贯的打断；间歇：
例句：
.This is one of the things I wasn`t prepared for—the amount of unfilled time, the long parentheses of nothing.(Margaret Atwood)
.这是我没作准备的事情之一——空闲时间的数量及无所事事的停顿.(玛格丽特·阿特伍德)
来源：
Late Latin [insertion of a letter or syllable in a word]
后期拉丁语 [在单词插入一个字母或音节]
from Greek
源自 希腊语
from parentithenai [to insert]
源自 parentithenai [插入，穿插]
para- [beside] * see para-
para- [旁，侧] *参见 para-
en- [in] * see en
en- [在…里面] *参见 en
tithenai [to put] * see dhô-
tithenai [放，置] *参见 dhô-
