Hardnester
锉式硬度试验器
🗣️ 情景例句
We have another event to attend on the same day.
那天我们有其他活动要参加。
We'll start with an orientation video. It runs about 15 minutes.
我们将从一个电视简报开始，大概放15分钟。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。