🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
a. 人们的；自己的
guard
[ɡɑrd]
n. 警卫;狱吏，看守;护卫队;防护装置;
vt. 保卫，守护;看守;加防护装置;谨慎使用;
vi. 警惕;警卫;
🗣️ 情景例句
I don't usually listen to the weather. They never get it right!
我不怎么听天气预报。他们总报不准。
Good words and ill deeds deceive wise and fools.
动听的话和坏行为同样欺骗聪明和愚人。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。