?? 詞語組成解析
abbr. main engine cutoff 主發動機停車
??? 情景例句
Thanks, Mom.
謝謝，媽。
The surest way to be happy is to be busy.
要快樂，最可靠的辦法是忙碌。
She gave her luggage to a porter and showed him her ticket.
她把行李交給搬運工并給他看了車票。