Subthreshold
a. 次于最低限度的, 不足以引起作用的
🗣️ 情景例句
without cultural programs in our school.
我们的学校里没有文化活动。
Never show the bottom of your purse or your mind.
钱包不露底，思想需保留。
The girl asked to see a timetable, feeling sure that her father could not have made such a mistake.
姑娘要求看到时刻表，因为她相信父亲不能把这么大的事弄错。