Precheck
[计] 预检验, 预检查, 预检
🗣️ 情景例句
He's on leave now.
他现在在休假。
They cannot help but be grieved by the death of a friend.
眼见朋友死亡，自己却无能为力，他们感到深深的悲哀。
From these he can go on to appreciate more complex forms or combinations of several forms.
从这些形体出发，观赏者可进一步观察更为复杂的形体或若干形体的组合。