sporadic background
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sporadic

/spɒˈɹædɪk/ /spɔˈɹæɾɪk/

Meanings
adjective

零星的，散发的

(of diseases) occurring in isolated instances; not epidemic.

Examples :

""The flu cases this year are sporadic; only a few students in each class have gotten sick." "
今年的流感病例是零星的，每个班只有少数学生生病。
disease medicine

Related Words

Illustration connection

connection noun

/kəˈnɛkʃən/

连接，联系。

"The connection between the two classrooms was established by installing a new phone line. "

通过安装一条新的电话线，两个教室之间建立了连接。

Illustration isolated

isolated verb

/ˈaɪsəleɪtɪd/

隔离，孤立。

"The teacher isolated the student who was disruptive, placing him in a separate room. "

老师把那个扰乱课堂秩序的学生隔离了起来，让他独自待在一个单独的房间里。

Illustration occurring

occurring verb

/əˈkɜːɹɪŋ/ /əˈkɝɪŋ/

发生，出现。

"The liftoff will occur in exactly twelve seconds."

起飞将在精确的十二秒后发生。

Illustration completely

completely adverb

/kəmˈpliːtli/

完全地，徹底地。

"Please completely fill in the box for your answer, using a number 2 pencil."

请用2号铅笔完全填满你答案对应的方框。

Illustration especially

especially adverb

/əˈspɛʃ(ə)li/

特别，尤其。

"My sister is very helpful, especially when it comes to organizing things. "

我妹妹很乐于助人，尤其是在整理东西方面。

Illustration sometimes

sometimes adjective

/ˈsʌmtaɪmz/

以前的，之前的。

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

我以前的邻居，一位退休教师，偶尔还会去学校看看。

Illustration diseases

diseases noun

/dɪˈziːzɪz/

疾病， 病害

"The tomato plants had some kind of disease that left their leaves splotchy and fruit withered."

这些番茄植株得了一种病，导致叶子上出现斑点，果实也枯萎了。

Illustration instances

instances noun

/ˈɪnstənsɪz/

催促，敦促，坚持。

"Despite my instances that I needed more time, the teacher insisted I turn in the assignment by the end of class. "

虽然我一再催促老师给我更多时间，但老师仍然坚持要我在下课前交作业。

Illustration scattered

scattered verb

/ˈskætəd/ /ˈskætɚd/

分散，散落。

"The crowd scattered in terror."

人群因恐惧而四散奔逃。

Illustration exhibiting

exhibiting verb

/ɪɡˈzɪbɪtɪŋ/ /ɛɡˈzɪbɪtɪŋ/

展览，展示

"He wanted to exhibit his baseball cards."

他想展览他的棒球卡片。

Illustration patternless

patternless adjective

/ˈpætərnləs/ /ˈpætnləs/

无规律的，随机的

"The spilled marbles were scattered in a completely patternless arrangement across the floor. "

洒出来的弹珠毫无规律地散落在地板上，完全是随机排列的。

Illustration occurrence

occurrence noun

/əˈkɐɹən(t)s/ /əˈkəːɹən(t)s/ /əˈkɝən(t)s/

发生，事件，事故

"The frequent occurrence of noisy construction near my house has made it hard to concentrate on my studies. "

我家附近频繁发生建筑噪音，这让我很难集中精力学习。