Channel stection
[机] U形剖面
🧩 词语组成解析
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
Do you know where I've put my glasses?
你知道我把眼镜搁哪儿了吗？
There are some magazines on the television.
电视机上放着几本杂志。