(一般作
直观教具。
a device used to improve vision, such as a magnifying glass or glasses
助视器(如放大镜、眼镜等)。
n. 直观教具;助视器
As a visual aid for his essay.
为他的论文提供视觉帮助。
What does each visual aid show?
每个视觉帮助显示什么内容?
Your slide show is just a visual aid.
你做的幻灯片只是观众视觉上的辅助。
Each dotted border represents a separate visual aid.
每个虚线边框都代表一个单独的视觉帮助。
The next section describes each visual aid in detail.
下面一节详细描述了每个视觉帮助。
(一般作
直观教具。
a device used to improve vision, such as a magnifying glass or glasses
助视器(如放大镜、眼镜等)。
I'm going to answer that with a visual aid. This is my nine-disc complete Lord of the Rings trilogy blu-ray set.
我来举证回答你这个问题吧,这是我的《魔戒》三部曲,九张蓝光碟版的完整收藏。
《The Big Bang Theory Season 4》《生活大爆炸 第四季》