词汇	groove in the bottom
释义	groove in the bottom 背槽
随便看	Straight-injection straightinjection molding straightinjection moulding straight-in landing straight-in penetration straight-in run straight insertion straight insertion sort straight insertion sorting straight insertion sort program straight-insertion sort program straight insurance straight internal thread straight intestinal anastomosis clamp straight intestinal clamp straight intestinal clamp for children straight intestinal spatula straight intestine straight inverted hang on rings straight investment straight iris knife straight iron powder Straight irrevocable letter of credit straightish straightjacket