Be of effect
有效
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
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
But next time, please ask me in advance to make a speech.
不过下一次请事先通知我一声要做演讲喔。
He has a very bad stomachache from eating too much.
他因为吃得太多而导致胃痛。
As I soon learnt, he was English himself!'
我很快了解到，他自己就是个英国人！