Trefoil arch
三心花瓣拱，三叶拱
🧩 词语组成解析
n. 车轴草, 三叶草\\n[医] 三叶草, 三叶豆
arch
[ɑ:tʃ]
n. 弓形;拱门;拱形物;足弓，齿弓;
vt. （使）弯成拱形;用拱连接;向后弯;
vi. 拱起;成为弓形;
adj. 主要的;首要的;调皮的;淘气的;
🗣️ 情景例句
They graduated from high school last year.
他们去年高中毕业。
He that gains well and spends well needs no account book.
收支正当，无须记帐。
After crossing the Equator, the captain called in at a port to have a new rudder fitted,
跨越赤道后，船长将船停靠在一个港口，在那儿换了一只舵。