Redar
红外光测距仪
🗣️ 情景例句
She is busy now.
她正忙着呢。
He must needs swim that is held up by the chin.
身不由己，只得从命。
We enjoy reading about them, especially when we find that, like the praying mantis, they lead perfectly horrible lives.
我们喜欢看有关昆虫的书，尤其是当我们了解螳螂等过着一种令人生畏的生活时，就更加爱读有关昆虫的书了。