Copulae
copula的复数形
🗣️ 情景例句
And nice meeting you, too, Mrs. Tobin.
我也很高兴见到你，Tobin太太。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。