fricative
n, adj (consonant) made by forcing air through an opening made narrow by bringing the tongue or lips near to another part of the mouth 由摩擦产生的(辅音)
are fricatives. /f/、 /v/、 /W/是摩擦辅音.
🗣️ 情景例句
He's a real two-timer.
他用情不专。
I usually go to bed at about midnight.
我通常在大约半夜睡觉。
He had been obliged to join the army during the Second World War.