Semireflector
半反射体
🗣️ 情景例句
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
I gave her my address and she gave me hers.
我把我的地址给她，她也把她的给了我。[九六广州初中会考]
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说