con.tin.u.al
continual的音标和读音：
DJ音标发音： [kənˈtinju:əl]
KK音标发音： [kənˈtɪnjuəl]
continual的词性：
adj.（形容词）
1. Recurring regularly or frequently:
有规律地或经常地再发生：
the continual need to pay the mortgage.
必须经常偿付抵押
2. Not interrupted; steady:
不间断的；稳定的：
continual noise; a continual diet of vegetables.
连续不断的吵杂声；长期吃素
continual的词性：
adv.（副词）
continual， continuous， constant， ceaseless， incessant， perpetual， eternal， perennial， interminable
3. These adjectives are compared as they mean occurring over and over during a long period of time.
这些形容词可以互相比较，它们都表示在一段长时期内一再发生的。
4. Continual can connote absence of interruption (
Continual 可能意味着不存在间断（
lived in continual fear) but is chiefly restricted to what is intermittent or repeated at intervals (
生活于缠绕心头的恐惧之中） 但它主要限于间歇性的或每隔一段时间重复的东西（
the continual banging of the shutter in the wind).
百叶窗在风中不时呼呼作响）。
5. Continuous implies lack of interruption in time, substance, or extent:
Continuous 含有在时间、物质或广度上没有间断的意思：
She suffered a continuous bout of illness lasting six months.
她患病发作已持续了六个月。
The horizon is a continuous line.
地平线是一条不断延伸的直线。
6. Constant stresses steadiness or persistence of occurrence and unvarying nature:
Constant 侧重于事件发生的稳定性和持续性以及经久不变的特点：
the constant chatter of the monkeys in the zoo;
动物园里猴子不停的吱吱声；
constant repetition of the exercise.
不断重复练习。
7. Ceaseless and incessant pertain to uninterrupted activity:
Ceaseless 和incessant 与连续的活动有关：
the ceaseless thunder of the surf against the rocks;
海浪不断拍打礁石的隆隆声；
incessant questions.
一刻不停的提问。
8. Perpetual emphasizes both steadiness and duration:
Perpetual 强调稳定性及持久性：
a perpetual struggle;
长期的斗争；
a perpetual stream of visitors.
接连不断的来访者。
9. Eternal refers to what is everlasting, especially to what is seemingly without temporal beginning or end:
Eternal 指永久性的，尤指那些看上去似乎在时间上没有开端和结束的事物：
“That freedom can be retained only by the eternal vigilance which has always been its price” (Elmer Davis).
“那种自由只有通过长期的警戒才能保持，而这种警戒就是它的代价” （埃尔默·戴维斯）。
10. Perennial describes existence that goes on year after year, often with the suggestion of self-renewal:
Perennial 形容一年年持续存在的事物，常常含有自我更新的意思：
wished for perennial youth;
渴望青春常在；
the perennial problem of urban poverty.
始终未能解决城市的贫困问题。
11. Interminable refers to what is or seems to be endless and is often applied to something prolonged and wearisome:
Interminable 表示没完没了的或看上去没完没了的东西，常指延续时间很长且令人厌倦的事物：
interminable talk;
冗长不堪的谈话；
an interminable argument.
没完没了的争论