Hardness test
[机] 硬度试验
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
The grass. The trees. The fresh air.
草地， 树木， 新鲜空气。
It is better to do well than to say well.
理论好不如实际好。
Both men had just begun to swim towards the shore, when they noticed with dismay that the speedboat was moving in a circle.
两个人刚开始向岸边游去，就突然惊愕地发现快艇正在转着圈行驶，