Touch upon
与...有关, 涉及..., 提到..., 提及, 谈及
🧩 词语组成解析
touch
[tʌtʃ]
vt. 触摸;使某物与…轻轻接触;吃或喝，尝;[数]与…相切;
n. 触摸，碰;触觉，触感;修饰，润色;痕迹;
vi. 接触;联系;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
In China, Spring Festival is the biggest holiday of the year, but in the west Christmas is the biggest.
中国最大的节日是春节，西方最大的节日是圣诞节。
If you hadn't slipped and fallen,you wouldn't have broken your leg.
如果你没滑倒,你就不会断腿了。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。