Wait upon
侍候; 伏侍
🧩 词语组成解析
wait
[wet]
vt.& vi. 等候;等待;（尤指长期地）希望;盼望;
vi. 准备妥;在手边;可得到;可使用;
vt. 推迟，搁置，延缓;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
Hi, it's nice to meet you.
你好，很高兴见到你。
That seems quite soon considering the nature of the product and shipping time.
考虑到产品的性质和运输时间那看来太快了。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，