Blc
abbr. 附面层控制（boundary layer control）
🗣️ 情景例句
Well,
是的，
She was the more promising worker of the two.
她是两个工人中比较有前途的一个。
Sure enough, Rastus arrived punctually at seven o'clock that evening.
果然，当天晚上7点正，拉斯特斯准时回来了。