Dhc
abbr. 蝶翠诗（DAIGAKU HONYAKU CENTER, 日本3大化妆品企业之一）；加拿大戴哈维兰德飞机（De Havilland Aircraft of Canada, Ltd）
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
If he doesn't help him, I will.
如果他不，我将帮助他。
That's good to hear.let's take a look at your prices.
那好，我们来看看你的报价吧。