Use roach traps or gels to cut down on the number of cockroaches in your home.

可使用蟑螂屋或饵胶以减少家里的蟑螂数量。

youdao

TOYO LAB-35 is amphoteric surfactant. It is readily compatible with cationics, anionics and nonionics surfactants. Many these preparations results clear liquid or gels.

是一种两性表面活性剂，它可与阴离子表面活性剂、阳离子表面活性剂和非离子表面活性剂相容，相容后可生产清澄的液体或胶体。

youdao

When you are packing food for a picnic, place cold food in a cooler with plenty of ice or commercial freezing gels.

当您为野餐包装食品时，把冷的食物放在一个有大量的冰的冷却器或商业冻结凝胶中。

youdao

In addition, liquids or gels for diabetics that do not exceed eight ounces will be allowed.

NPR: U.S. Clarifies Security Rules for Air Travel

Often there were no cleaning products and we had to use whatever came to hand, like shampoos or shower gels for the guest rooms.

BBC: Exploitation of workers at top hotels

When the footage was first shot, each frame was run consecutively through red, green or blue gels, and the process needed to be reversed during projection to reveal the color.

ENGADGET: World's oldest color film footage discovered in museum archive (video)