Tergum
n. 背板\\n[醫] 背, 背板(昆蟲)
??? 情景例句
Oh, you're welcome.
噢！請別客氣。
What's this?
這是什么？
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文臺的官員們每天兩次派人矯正此鐘。