He fabricated a small machine in-house and his company began selling mosquito repellent mats based on his indigenous chemical formulation under the trademark JET.是什么意思_He fabricated a small machine in-house and his company began selling mosquito repellent mats based on his indigenous chemical formulation under the trademark JET.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句