n.標(biāo)點(diǎn)器(點(diǎn)標(biāo)器；加點(diǎn)的東西)

The train arrived on the dot of three o'clock. 那輛火車三點(diǎn)鐘準(zhǔn)時(shí)到達(dá)。

He said he used this system in the year dot. 他說(shuō)他很久以前用過(guò)這個(gè)系統(tǒng)。

He went away, limping dot and go one. 他一拐一拐地跛著走開了。

He's very punctual always arrives on the dot. 他很守時(shí)--總是按時(shí)到。

She was told to arrive at 8 o'clock on the dot. 她被告知八點(diǎn)鐘準(zhǔn)時(shí)到。

He watched the train away until it was only a dot in the distance. 他目送著列車駛?cè)ィ钡剿闪诉h(yuǎn)方的一個(gè)小黑點(diǎn)。