Make a speciality of
专门研究…,使…成为专长
🧩 词语组成解析
make
[mek]
vt. 做，制造;生产，制定;使成为;使产生;
vi. 开始;尝试;行进;增大;
n. 制造;生产量;性格;形状，样式;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Do you believe in Christianity?
你信仰基督教吗？
How did you like the game?
你觉得这场比赛怎么样？
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。