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
Here you are. Four beautiful fake Rolexes for 1200 yuan.
来，4只漂亮的劳力士才花了1200元。
It was so cold the car wouldn't start.
天冷得汽车的引擎都无法发动了。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。