Block tin
[化] 锡块
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
tin
[tin]
n. 锡;罐头盒;马口铁;镀锡薄钢板;
adj. 锡制的;假冒的;无价值的;蹩脚的;
vt. 镀锡，包锡;给…包马口铁;包白铁;
🗣️ 情景例句
and ask her to come by and talk about it.
请她过来谈谈这件事。
Open your book,please.
请把书打开。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。