🧩 词语组成解析
n. (澳大利亚的)白千层属植物
birch
[bə:tʃ]
n. 桦树，桦木;（鞭打用的）桦条;
vt. （用桦条）抽打，鞭挞;
🗣️ 情景例句
I'd like to give thanks for a healthy year, a good job,
我感谢这一年来身体健康 工作顺利，
I know. Save your breath!
早就知道了，还用你说！
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。