Undertread
n. 底胎面(指轮胎的加固层)
🗣️ 情景例句
OK. Here we go.
好吧。我们重来。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
Gifts poured in not only from unknown people, but room baby food and soap manufacturers who wished to advertise their products.
不但素昧平生的人寄来了大量的礼物，而且婴儿食品、婴儿肥皂制造厂商为了替自己产品做广告也寄来了大量的礼物。