n. 洞,孔;洞穴,穴;缺陷;<口>绝境;
vt.& vi. (在…上)打洞或穿孔;
vi. 凿洞;(高尔夫球等)进洞;
🗣️ 情景例句
I'll be at the construction site tomorrow.
明天我要去工地。
Welcome to our factory.
欢迎到我们工厂来。
is as the proportion of the total vocabulary of his mother tongue against those words of his own baby talk that are taken up into the vernacular of his family.