Zelling
零长导轨发射
🗣️ 情景例句
Good-bye, Mr. Carlson. Thanks.
再见， Carlson先生。谢谢。
You're very kind to take the trouble to help me.
谢谢你不怕麻烦帮助我。
Li Lei ran much faster than the other boys.
李磊跑得比其他男孩快得多。