like: Linse → →
die Linse ☊ 
thấu kính ☊ 
☊ die Kontaktlinsen (Plural) ☊ kính áp tròng ☊ ☊ Linse ☊ 晶体 ☊ jīngtǐ Kontaktlinsen (Plural) ☊ 隐形眼镜 (复数) ☊ yǐnxíng yǎnjìng (fùshù) A hundred camera lenses were being pointed at her. ☊ point ☊
require doing sth: Lentils do not require soaking before cooking. ☊ require ☊
Cook the lentils for 20 minutes until they swell and soften. ☊ swell ☊
The eclipse should only be viewed through a special lens. ☊ view ☊