Radameter
防撞雷达设备[装置]
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
I'm afraid I spilled coffee on the tablecloth.
对不起，我把咖啡洒到桌布上了。
Jim, could you help me, please? I want to get some books.
吉姆，你能帮我一下吗？我想拿些书。