Mohs' hardness scale
[化] 莫氏硬度标
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
scale
[skel]
n. 规模;比例（尺）;鱼鳞;级别;
vt. 测量;攀登;刮去…的鳞片;
vi. 衡量;攀登;（鳞屑）脱落;生水垢;
scale(climb)→登；爬越；音阶；比例尺；规模；尺；尺上的刻度
🗣️ 情景例句
then you've got to smile first.
你就得先笑一笑。
How did you decide that product was safe?
你怎样决定产品是安全的呢？
The one in the red coat.
穿红色上衣的那个。