Upconversion
上变频; 上转换; 升频转换
🗣️ 情景例句
If my wife takes a second job and leaves the kids in day care, we should be able to get the loan for a two storey place.
如果我的妻子做两份工，把孩子送去全托，我们就可以贷款买一栋两层的房子了。
False friends are worse than open enemies.
明枪易躲，暗箭难防。
From one's own front door to home or foreign hills or sands and back again, everything is to hand.
从自己的家门出发到国内国外的山区或沙滩上露营然后返回，一切都很便利。