rig词根

rig作为词根的意思是严格的，如rigorous

例句

1、

Guests without invitations have to undergo rigorous safety checks.

没有邀请函的客人要接受严格的安全检查。

2、

Was it a curriculum that appeared more rigorous， perhaps?

或许是一门看似更为严格的课程?

3、

The work failed to meet their rigorous standards.

工作没有达到他们的严格标准。

词根词缀:rigi-， rig-:【来源及含义】Latin: stiff， hard， numb to be frozen， to grow stiff with