Upon receipt of
一收到…
🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
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
We couldn't afford it.
我们当时不够钱。
That man is a teacher,isn't he?
那个人是位教员，对不对？
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置，而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼，这是人们所熟悉的其他鱼。