🧩 词语组成解析
needle
['nidl]
n. 针;针状物;<口>刺激性言行;
vt. 用针缝，刺;刺激，激怒;<俚>增加（饮料的）酒精含量;
vi. 缝纫;
park
[pɑrk]
n. 公园;停车场;
vi. 泊车，停车;
vt. 将…放置在某处;停车;
🗣️ 情景例句
Sir, this offer will expire this week.
先生，这次特价这个礼拜就结束了。
As you sow you shall mow.
种瓜得瓜，种豆得豆。
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。