🧩 词语组成解析
n. 船员跑动使船摆动
forth
[fɔrθ]
adv. 向前，向前方;露着的，往外的;[废语]出外，离家;
prep. 出自，从…离开;
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
Now, seeing them all here together for the first time.
现在他们都到了这里。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。