查询词典 call on sb.

Call on/ upon sb. to do sth.

号召某人做某事。

Call on/upon |ask sb. to do sth.

要求

Call on/upon sb 拜访某人,如:I'll call on you at your office tomorrow morning.

星期天我们去了那个科学家的办公室。

Call on/upon sb 拜访某人,如: I'll call on you at your office tomorrow morning.

我明天上午到办公室拜访你。

Call at +地点/ call on/upon +sb.

访问，走访，拜访；要求

Make ends meet call in laugh at inform sb of sth come across come up take note serve as insist on take a position hold the view can't help but to chances are that… on one's own keep contace with go through object to doing there is evidence that in short supply in reserve in the mood to do in addition define…as the following describe… as

可以获得的，可以使用的使收支平衡叫…。。来嘲笑某人通知某人某事偶遇出现记笔记用于某种目的或理由坚持持…。。立场持有观点禁不住做…。。做某事没有意义有可能做某事单独的，独自的与…。。联系浏览反对有证据证明短缺以备后用有心情做某事此外下定义下列的描述某人某事 there is no point in doing sth。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。