🧩 词语组成解析
sash
[sæʃ]
n. 腰带，肩带;
lock
[lɔk]
n. 锁;水闸，船闸;（机器部件等的）锁定;一把，一撮;
vt. 锁上;锁好，关好;使固定;隐藏;
vi. 卡住，不动;纠结;僵硬不动;
🗣️ 情景例句
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
Pat began to feel unhappy about what he had done.
帕特开始对自己所做的事感到悲伤。
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，