🧩 词语组成解析
through
[θru]
prep. 通过，穿过;经由;透过;凭借;
adv. 从头到尾;彻底;自始至终;
adj. （电话）接通;通话完毕;有洞的;直达的;
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
What about the house in Mount Kisco?
在Mount Kisco的房子呢
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。