Telegraph switching system
[计] 电报交换系统
🧩 词语组成解析
telegraph
['tɛlɪɡræf]
n. 电报;电讯;电报机;信号机;
vt.& vi. 打电报;流露出;电汇;用电报通知;
vt. 用电报发送;打电报向（某人）发指令;电汇;电购;
tele远+graph写，图→从远方写来→电报
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
Take it side again .... OK, and switch. Stretch it out.
再侧身……好 左右交替。尽量伸展。
You'll never be able to fill your father's shoes.
你永远也替不了你父亲的工作。
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。