Optical efficiency
[电] 光效率
🧩 词语组成解析
🗣️ 情景例句
Good morning, sir.
早安，先生。
Me too. I was hoping we could put this bicycle together for Tom's birthday.
我也希望如此，我本来希望买这辆自行车做为送给汤姆的生日礼物。
but when he received a similar complaint from another foreigner in the same village, he immediately sent one of his layers to investigate the matter.
但是，当他又收到住在同一村庄的另一个外国人写的一封内容类似的投诉信时，他立即派出一位律师前去调查。