Ballisties
[机] 弹道学
🗣️ 情景例句
If this doesn't make you happy, nothing will.
如果这个事情都不能使你高兴趣来的话，就没有其他的办法了。
His toe is swollen, Does it hurt?
他的脚趾肿起来了，疼不疼？
I don't like autumn and winter.The days are short and the nights are long.The sun rises late and set early.
我不喜欢秋天和冬天，因为此时白天短而夜晚长，太阳升得迟而落得早。