🧩 词语组成解析
spear
[spɪr]
n. 矛;枪;（某些植物的）嫩枝;貌，标枪;
vt. 用矛刺;用鱼叉捉;〈美俚〉得到，捕到;刺，戳;
adj. 父系的，右边的;
🗣️ 情景例句
We'd prefer a credit card, if you have one.
如果你有信用卡，我们较喜欢信用卡。
I'm going to the bookstore. Will you go with me?
我要去书店，你和我去吗？
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。