Earth magnetism
[电] 地磁
🧩 词语组成解析
earth
[ɝθ]
n. 地球;陆地;泥土;兽穴;
vt. 把（电线）接地;盖（土）;追赶入洞穴;
vi. 躲进地洞;
🗣️ 情景例句
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
In 1990?
1990年呢？