Bluishness
发绀病
🗣️ 情景例句
The student has a very wide range of interests.
那个学生的兴趣非常广泛。
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。