Spherometer
n. 球径计\\n[化] 球径计
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
Good evening,Mrs. Brown.
晚上好，布朗夫人。
I slipped and fell downstairs.
我滑了一跤，从楼梯上摔下来了。