childish
幼稚的（有斥责的意昧）
Your childish behavior is not suitable for an office environment.
就一个办公室的环境而言，你这样幼稚的行为很不恰当。
childlike
纯真的，真挚的
Jane's childlike innocence is very attractive to me.
阿珍孩子般的纯真很吸引我。
butterfly
蝴蝶
In winter, millions of butterflies travel to Mexico.
在冬天，有上百万只的蝴蝶飞至墨西哥。
I had butterflies in my stomach when the teacher called my name.
老师叫到我名字时我紧张死了。
dragonfly
蜻蜒
Different species of dragonflies can be found near the lake.
靠近潮的地方可以发现各种不同的蜻蜒。
firefly
萤火虫
When I was young, I loved to chase fireflies in the field.
小时候，我喜欢在田野上追逐萤火虫。
crayon
蜡笔
The child is using a few crayons to draw a picture.
这孩子正用几只蜡笔在画画。
dial
拨号盘；拨（电话号码）
The dial on the telephone is broken.
电话机上的拨号盘故障了。
Dial this number in case you need help.
如果需要帮忙的话，就拔这个号码。
dolphin
海豚
Dolphins have a very complicated communication system.
海豚有一套复杂的沟通系统。
whale
鲸鱼
Scientists have been studying these whales for many years.
科学家研究这些鲸鱼多年。
shark
鲨鱼
The scuba diver who was attacked by a shark rushed to the hospital.
该名受到鲨鱼攻击的水肺潜水员被紧急送医。