🧩 词语组成解析
spade
[sped]
n. 铁锹，铲子;纸牌中的)黑桃;
vt. 铲;
casino
[kə'si:nəu]
n. 赌场;俱乐部，娱乐场;小别墅;
🗣️ 情景例句
The scary part's leaving home and moving to college.
害怕的是要离开家搬到学校去。
Don't touch it!
不许碰！
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。