Conservation of ocean
[法] 海洋保护
🧩 词语组成解析
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];
ocean
['oʃən]
n. 洋;海洋;大海;（地球上划分出的）洋;
🗣️ 情景例句
After my wife died,
我妻子去世后，
Politically,the country is divided into fifty states.
这个国家政治地被划分成50个州。
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。