【词汇解释】
1.versus prep. 对抗,与 ... 相对(略作v.或vs.)
2.launch v. 发射,使(船)下水,发动,发起 n. 发射
The ship launched in the direction of Japan.
船起航前往日本。
A new ship is being launched today.
一艘新船下水了。
They have launched a man-made satellite successfully.
他们成功地发射了一颗人造卫星。