hi
US
UK Hi! interj: informal (Hello!) (非正式用语)
SC 喂, 嗨, 你好
Hi, John, how are you today?
喂，约翰，你今天好吗?
HI n: written, abbreviation (US state: Hawaii) (Hawaii的缩略形式)
SC 夏威夷 xià wēi yí
The address says Honolulu, HI.
hi-fi n: abbreviation (high fidelity)
SC 高保真度
TC 高傳真性
TC 高傳真性
There is a significant difference in sound quality between hi-fi and standard.
高保真音质与标准音质存在巨大的差距。
hi-fi n: abbreviation (high-fidelity music system)
SC 高保真度的音响设备
I'm installing a new hi-fi that I bought last week.
hi-fi n as adj: abbreviation (high-fidelity)
SC 高保真度的
I just installed a new hi-fi stereo system; do you want to come over and listen to some music?
我刚安装了一套全新的立体音响系统。你要来我家欣赏音乐吗？
high fidelity, high-fidelity n as adj: (sound reproduction: high quality)
SC 高保真的
Before stereo was invented, people were excited to have "high-fidelity" systems in their homes.
high tech, high-tech, hi-tech adj: informal (technologically advanced)
SC 高科技的
Some people are scared of high-tech devices.
high tech, hi tech, high technology n: informal (advanced technology)
SC 高科技 gāo kē jì
High tech is one of California's most important industries.
high-hat, hi-hat n: (music: set of two cymbals) (音乐)
SC 踏钹
high-spec, hi-spec adj: (technology: high specification)
SC 高规格的