n. [航]食物;劣质材料,赝品;方针,方法;航向;
vt. 用平头钉钉;附加,增补;
vi. 帆船抢风行驶;用粗线脚缝;
🗣️ 情景例句
if that's what you mean.
是这个意思吧。
Our first bill came yesterday, and we have some questions.
我们昨天收到的第一张帐单,有一些问题。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.