🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
tiger
['taɪɡɚ]
n. 老虎;各种猫科动物;凶恶的人，虎狼之徒;
🗣️ 情景例句
but he usually managed to squeeze a Sunday in
但是他总会设法挤出星期天，
How many bottles are you going to buy?
你要买几瓶？
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。