Peritrophic
圍食膜的
??? 情景例句
When you learn a new verb, learn its various forms.
學到了新動詞時，記住它的各種形式。
You'll regret it if you don't go.
不去你會后悔。
After the War of Independence ended, New York became the capital of the USA for a short time (1789-90) before Washington, D.C.
獨立戰爭結束以后，在華盛頓成為首都之前，紐約市曾經一度是美國的首都，不過時間很短（1789-90）。