Derthick
[人名] 德西克
🗣️ 情景例句
Permanently?
一直住下去？
It takes a bit of nerve to cross these chain bridges.
过这种铁锁桥需要有点胆量才行。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。