simple stem mouth mirror 简式口镜 ; 筒式口镜
simple stem
简单的阀杆
以上为机器翻译结果，长、整句建议使用 人工翻译 。
If you want to inspire more young people to look at science, technology, engineering, and math (STEM or STEAM if you prefer to add Art in there, too), then buy a simple Joey-inspired bracelet and look for him at the Bay Area Maker Faire.
FORBES: Ellen DeGeneres Needs A Marshmallow Cannon from Joey Hudy
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