Instrumentationsystem
测量系统
🗣️ 情景例句
Dogs make great pets, but don't leave them alone with small children.
狗是最好的宠物，但不要让狗和小孩子单独在一起。
'Tis the early bird that catches the worm.
早起的鸟先得虫；捷足先登。
It's very hot. It's summer in Australia now!
很热。澳大利亚现在正值夏天！