🗣️ 情景例句
and this is an important decision we have to make.
这又是我们必须做的一个重大决定。
I guess he's about 30.
我猜他大概30岁。
we are now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，地球是生命能存在的唯一行星。