Lockstitching
(lockstitch 的现在分词) n. 双线连锁缝法
🗣️ 情景例句
Fast asleep.
正熟睡着呢。
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
He simply had no sense of danger at all.
而是他压根儿没有一点儿危险感。