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
You seem to have some reservations.
看起来你还有些犹豫。
How long will it take me to get there?
到那儿要多长时间？
They decompose and are quickly destroyed by the weather or eaten by some other creature.
因为它们腐败之后很快就被风化掉，或被别的动物吃掉了。