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
Yes. I loved them.
记得。我好喜欢哟。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
He had lived in it as a child when it was already disappearing,
作为一个孩子他曾在西部生活过，当时西部拓荒生活正在消失。