🧩 词语组成解析
alpine
['ælpain]
adj. 阿尔卑斯山的;阿尔卑斯山区居民的;高山的;
n. 高山植物;
milk
[mɪlk]
n. 奶;乳液;母乳;
vt. 挤奶;榨取;
n. 巢菜, 野豌豆
🗣️ 情景例句
My computer was infected by a virus, I guess since I didn't have firewall installed.
我的电脑受到病毒感染了，我想是因为我没装防火墙。
They are looking forward to the summer vacation.
他们正盼望着暑假的来临。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。