🧩 词语组成解析
master
['mæstɚ]
n. 硕士;主人（尤指男性）;大师;男教师;
vt. 精通，熟练;作为主人，做…的主人;征服;使干燥（染过的物品）;
adj. 主要的;主人的;精通的，优秀的;原版的;
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
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
Out of sitght, out of mind.
眼不见，心不想。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。