Fastness to dust
[化] 耐尘牢度; 耐灰尘色牢度
🧩 词语组成解析
fastness
[['fɑ:stnis]]
n. 要塞, 巩固, 迅速\\n[医] 抗拒性
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
dust
[dʌst]
n. 灰尘;（建筑物内、家具或地板等上的）灰尘;遗骸，尸体，人体，人;〈口〉金粉，粉末，粉剂，花粉;
vt.& vi. 拂（一拂），掸（一掸）;
vt. 撒（粉）于;擦去…的灰尘;擦灰;撢去;
🗣️ 情景例句
Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
听着， Richard，一小时的有氧运动可与举重大不相同。
I'm not really sure about that. Mr. Jiang should know the answer to that.
关于那事我不敢确定，蒋先生应该知道答案。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。