Come before
发生于...之前, 在...之上
🧩 词语组成解析
come
[kʌm]
vi. 来;开始;出现;发生;
vt. 做;装扮…的样子;将满（…岁）;
int. 嗨！;
before
[bɪ'fɔr]
prep. 在…之前;先于，优于;当着…的面;与其…;
conj. 在…之前;在…以前;比…早些;与其…;
adv. 先前，从前;在前，在前方;
be构成一些介词+fore前面→在前面
🗣️ 情景例句
Talking to the real-estate agent.
与房地产仲介商谈。
How much is the admisssion fee?
入场费要多少钱？
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。