Heterodyne whistle
[電] 外差汽笛
?? 詞語組成解析
[電] 外差
whistle
['w?sl]
vi. 吹口哨，吹哨子，鳴汽笛;呼嘯;（動物）發出刺耳的叫聲;吹口哨召喚;
vt. 由吹口哨而發出;吹口哨召喚;用哨聲使…行動;
n. 口哨，哨子;汽笛;哨聲，笛聲;囀鳴聲：尖厲高音;
??? 情景例句
We're planning to buy a house.
我們計劃買一棟房子。
What kind of climate do you have?Is it humid?
你們那里的天氣怎么樣？它是潮濕的嗎？
Things can go wrong on a big scale, as a number of people recently discovered in Parramatta, a suburb of Sydney.
就像許多人最近在悉尼郊區帕拉馬塔發現的那樣，有時亂子會鬧得很大。