Leptogenesis
可纺性
🗣️ 情景例句
Hi, Mr. Baker. We met before.
嗨， Baker先生， 我们以前见过面。
It started out to be a beautiful day.
刚开始天气不错。
The shuttle Endeavour will be taking the astronauts to the Hubble.
“奋进”号航天飞机将把宇航员送上哈勃。